History

Peasants bowling in front of a tavern in the 17th century

There are many forms of bowling, with one of the most recent being ten-pin bowling, also known as the norm. The earliest most primitive forms of bowling can be dated back to Ancient Egypt and the Roman Empire. Indeed, about 2,000 years ago a similar game evolved between Roman legionaries: it entailed tossing stone objects as close as possible to other stone objects (this game became popular with Roman soldiers, and eventually evolved into Italian Bocce, or outdoor bowling).

The first standardized rules for pin bwere established in New York City, on September 9, 1895. Today, bowling is enjoyed by 95 million people in more than ninety countries worldwide and continues to grow through entertainment media such as video games for home consoles and handheld devices.

History

1940s–1960s

Skateboarder in Grants Pass, Oregon

Skateboarding was probably born sometime in the late 1940s or early 1950s when surfers in California wanted something to surf when the waves were flat. No one knows who made the first board; it seems that several people came up with similar ideas at around the same time. These first skateboarders started with wooden boxes or boards with roller skate wheels attached to the bottom. The boxes turned into planks, and eventually companies were producing decks of pressed layers of wood – similar to the skateboard decks of today. During this time, skateboarding was seen as something to do for fun besides surfing, and was therefore often referred to as "Sidewalk Surfing".

The first manufactured skateboards were ordered by a Los Angeles, California surf shop, meant to be used by surfers in their downtime. The shop owner, Bill Richard, made a deal with the Chicago Roller Skate Company to produce sets of skate wheels, which they attached to square wooden boards. Accordingly, skateboarding was originally denoted "sidewalk surfing" and early skaters emulated surfing style and maneuvers. Crate scooters preceded skateboards, and were borne of a similar concept, with the exception of having a wooden crate attached to the nose (front of the board), which formed rudimentary handlebars.

A number of surfing manufacturers such as Makaha started building skateboards that resembled small surfboards, and assembling teams to promote their products. The popularity of skateboarding at this time spawned a national magazine, Skateboarder Magazine, and the 1965 international championships were broadcast on national television. The growth of the sport during this period can also be seen in sales figures for Makaha, which quoted $10 million worth of board sales between 1963 and 1965 (Weyland, 2002:28). Yet by 1966 the sales had dropped significantly (ibid) and Skateboarder Magazine had stopped publication. The popularity of skateboarding dropped and remained low until the early 1970s.

1970s

A skateboarder in Tallahassee, Florida

In the early 1970s, Frank Nasworthy started to develop a skateboard wheel made of polyurethane, calling his company Cadillac Wheels. Prior to this new material, skateboards wheels were metal or "clay" wheels. The improvement in traction and performance was so immense that from the wheel's release in 1972 the popularity of skateboarding started to rise rapidly again, causing companies to invest more in product development. Nasworthy commissioned artist Jim Evans to do a series of paintings promoting Cadillac Wheels, they were featured as ads and posters in the resurrected Skateborder magazine, and proved immensely popular in promoting the new style of skateboarding. Many companies started to manufacture trucks (axles) specially designed for skateboarding, reached in 1976 by Tracker Trucks. As the equipment became more maneuverable, the decks started to get wider, reaching widths of 10 inches (250 mm) and over, thus giving the skateboarder even more control. Banana board is a term used to describe skateboards made of polypropylene that were skinny, flexible, with ribs on the underside for structural support and very popular during the mid-1970s. They were available in myriad colors, bright yellow probably being the most memorable, hence the name.

Manufacturers started to experiment with more exotic composites and metals, like fiberglass and aluminium, but the common skateboards were made of maple plywood. The skateboarders took advantage of the improved handling of their skateboards and started inventing new tricks. Skateboarders, most notably Ty Page, Bruce Logan, Bobby Piercy, Kevin Reed, and the Z-Boys (so-called because of their local Zephyr surf shop) started to skate the vertical walls of swimming pools that were left empty in the 1976 California drought. This started the vert trend in skateboarding. With increased control, vert skaters could skate faster and perform more dangerous tricks, such as slash grinds and frontside/backside airs. This caused liability concerns and increased insurance costs to skatepark owners, and the development (first by Norcon, then more successfully by Rector) of improved knee pads that had a hard sliding cap and strong strapping proved to be too-little-too-late. During this era, the "freestyle" movement in skateboarding began to splinter off and develop into a much more specialized discipline, characterized by the development of a wide assortment of flat-ground tricks.

As a result of the "vert" skating movement, skate parks had to contend with high-liability costs that led to many park closures. In response, vert skaters started making their own ramps, while freestyle skaters continued to evolve their flatland style. Thus by the beginning of the 1980s, skateboarding had once again declined in popularity.

1980s

Skateboarder at Skateistan in Kabul, Afghanistan

This period was fueled by skateboard companies that were run by skateboarders. The focus was initially on vert ramp skateboarding. The invention of the no-hands aerial (later known as the ollie) by Alan Gelfand in Florida in 1976, and the almost parallel development of the grabbed aerial by George Orton and Tony Alva in California, made it possible for skaters to perform airs on vertical ramps. While this wave of skateboarding was sparked by commercialized vert ramp skating, a majority of people who skateboarded during this period didn't ride vert ramps. As most people could not afford to build vert ramps, or did not have access to nearby ramps, street skating increased in popularity.

Freestyle skating remained healthy throughout this period, with pioneers such as Rodney Mullen inventing many of the basic tricks that would become the foundation of modern street skating, such as the "Impossible" and the "kickflip". The influence that freestyle exerted upon street skating became apparent during the mid-1980s; however, street skating was still performed on wide vert boards with short noses, slide rails, and large soft wheels. In response to the tensions created by this confluence of skateboarding "genres", an rapid evolution occurred in the late 1980s to accommodate the street skater. Since few skateparks were available to skaters at this time, street skating pushed skaters to seek out shopping centers and public and private property as their "spot" to skate (public opposition, in which businesses, governments, and property owners have banned skateboarding on properties under their jurisdiction or ownership, would progressively intensify over the following decades). By 1992, only a small fraction of skateboarders remained as a highly technical version of street skating, combined with the decline of vert skating, produced a sport that lacked the mainstream appeal to attract new skaters.

1990s–present

The current generation of skateboards is dominated by street skateboarding. Most boards are about 7¹⁄₄ to 8 inches (180 to 200 mm) wide and 30 to 32 inches (760 to 810 mm) long. The wheels are made of an extremely hard polyurethane, with hardness (durometer) approximately 99A. The wheel sizes are relatively small so that the boards are lighter, and the wheel's inertia is overcome quicker, thus making tricks more manageable. Board styles have changed dramatically since the 1970s but have remained mostly alike since the mid 1990s. The contemporary shape of the skateboard is derived from the freestyle boards of the 1980s with a largely symmetrical shape and relatively narrow width. This form had become standard by the mid '90s. Go Skateboarding Day was created in 2004 by a group of skateboarding companies to promote skateboarding and help make it more noticeable to the world. It is celebrated every year on June 21.

Cricket

 

Cricket is a bat-and-ball game played between two teams of 11 players on a field, at the centre of which is a rectangular 22-yard long pitch. One team bats, trying to score as many runs as possible while the other team bowls and fields, trying to dismiss the batsmen and thus limit the runs scored by the batting team. A run is scored by the striking batsman hitting the ball with his bat, running to the opposite end of the pitch and touching the crease there without being dismissed. The teams switch between batting and fielding at the end of an innings.
In professional cricket the length of a game ranges from 20 overs of six bowling deliveries per side to Test cricket played over five days. The Laws of Cricket are maintained by the International Cricket Council (ICC) and the Marylebone Cricket Club (MCC) with additional Standard Playing Conditions for Test matches and One Day Internationals.
Cricket was first played in southern England in the 16th century. By the end of the 18th century, it had developed into the national sport of England. The expansion of the British Empire led to cricket being played overseas and by the mid-19th century the first international matches were being held. The ICC, the game's governing body, has 10 full members. The game is played particularly in Australasia, the Indian subcontinent, the West Indies, Southern Africa and the British Isles.

Sumo

 

Sumo is a competitive full-contact wrestling sport where a wrestler (rikishi) attempts to force another wrestler out of a circular ring (dohyō) or to touch the ground with anything other than the soles of the feet. The sport originated in Japan, the only country where it is practiced professionally. It is generally considered to be a gendai budō (a modern Japanese martial art), though this definition is incorrect as the sport has a history spanning many centuries. Many ancient traditions have been preserved in sumo, and even today the sport includes many ritual elements, such as the use of salt purification, from the days when sumo was used in the Shinto religion. Life as a rikishi is highly regimented, with rules laid down by the Sumo Association. Most sumo wrestlers are required to live in communal "sumo training stables" known in Japanese as heya where all aspects of their daily lives—from meals to their manner of dress—are dictated by strict tradition.

Chess

 

Chess is a two-player board game played on a chessboard, a square checkered board with 64 squares arranged in an eight-by-eight grid. It is one of the world's most popular games, played by millions of people worldwide at home, in clubs, online, by correspondence, and in tournaments.

Each player begins the game with sixteen pieces: one king, one queen, two rooks, two knights, two bishops, and eight pawns. Each of the six piece types moves differently. Pieces are used to attack and capture the opponent's pieces, with the object of the game being to 'checkmate' the opponent's king by placing it under an inescapable threat of capture. In addition to checkmate, the game can be won by the voluntary resignation of one's opponent, which typically occurs when too much material is lost, or if checkmate appears unavoidable. A game may also result in a draw in several ways, where neither player wins. The course of the game is divided into three phases: opening, middlegame and endgame.

The first official World Chess Champion, Wilhelm Steinitz, claimed his title in 1886; the current World Champion is Viswanathan Anand. In addition to the World Championship, there are the Women's World Championship, the Junior World Championship, the World Senior Championship, the Correspondence Chess World Championship, the World Computer Chess Championship, and Blitz and Rapid World Championships. The Chess Olympiad is a popular competition among teams from different nations. Online chess has opened amateur and professional competition to a wide and varied group of players. Chess is a recognized sport of the International Olympic Committee, and international chess competition is sanctioned by the World Chess Federation. There are also many chess variants, with different rules, different pieces, and different boards.

Since the second half of the 20th century, computers have been programmed to play chess with increasing success, to the point where home computers can play chess at a very high level. In the past two decades computer analysis has contributed significantly to chess theory as understood by human players, particularly in the endgame. The computer Deep Blue was the first machine player to overcome a reigning World Chess Champion when it defeated Garry Kasparov in 1997.

Bowling

 

Bowling refers to a series of sports or leisure activities in which a player rolls or throws a bowling ball. In indoor bowls, the target is usually to knock over pins. In outdoor variations, the aim is usually to get the ball as close to a target ball as possible. The indoor version of bowling is often played on a flat wooden or other synthetic surface, while outdoor bowling the surface may be grass, gravel or a synthetic surface. The most common types of indoor bowling include ten-pin, nine-pin, candlepin, duckpin and five-pin bowling, while in outdoor bowling, bowls, pétanque and boules are popular.

Skateboarding

 

 

Skateboarding is an action sport which involves riding and performing tricks using a skateboard. Skateboarding can also be considered a recreational activity, an art form, a job, or a method of transportation. Skateboarding has been shaped and influenced by many skateboarders throughout the years. A 2002 report found that there were 18.5 million skateboarders in the world. 85% of skateboarders polled who had used a board in the last year were under the age of 18, and 74% were male.

Skateboarding is relatively modern. Since the 1970s, skateparks have been constructed specifically for use by skateboarders, bikers and inline skaters.

Speed skating

Speed skating, or speedskating, is a competitive form of ice skating in which the competitors race each other in traveling a certain distance on skates. Types of speed skating are long track speed skating, short track speed skating, and marathon speed skating. In the Olympic Games, long-track speed skating is usually referred to as just "speed skating", while short-track speed skating is known as "short track". The ISU, the governing body of both ice sports, refers to long track as "speed skating" and short track as "short track skating".

Long track speed skating in Thialf in 2008

Main article: Long track speed skating

The standard rink for long track is 400 meters long, but tracks of 200, 250 and 333⅓ meters are used occasionally. It is one of two Olympic forms of the sport and the one with the longer history. An international federation was founded in 1892, the first for any winter sport. The sport enjoys large popularity in the Netherlands and Norway. There are top international rinks in a number of other countries, including Canada, the United States, Germany, Italy, Japan, South Korea and Russia. A World Cup circuit is held with events in the those countries and with two events in Thialf, the ice hall in Heerenveen, Netherlands.

The sport is described as "long track" in North American usage, to distinguish it from a 111 m oval on an ice hockey rink in short-track skating or on a short-track oval.

International Skating Union rules allow some leeway in the size and radius of curves.

Short-track speed skaters racing through a curve

Main article: Short track speed skating

Short track skating takes place on a smaller rink, normally the size of an ice hockey rink. Distances are shorter than in long track racing, with the longest Olympic race being 3000 meters. Races are usually held as knockouts, with the best two in heats of four or five qualifying for the final race, where medals are awarded. Disqualifications and falls are not uncommon.

The sport originates from pack-style events held in North America and was officially sanctioned in the 1970s, becoming an Olympic sport in 1992. Although this form of speed skating is newer, it is growing faster than long-track speed skating, largely because short track can be done on a regular ice rink rather than a long-track oval.

Golf

 

Golf is a precision club and ball sport, in which competing players (or golfers) use many types of clubs to hit balls into a series of holes on a golf course using the fewest number of strokes. Golf is defined, in the rules of golf, as "playing a ball with a club from the teeing ground into the hole by a stroke or successive strokes in accordance with the Rules."

It is one of the few ball games that does not require a standardized playing area. Instead, the game is played on a "course", generally consisting of an arranged progression of either 9 or 18 "holes". Each hole on the course must contain a "tee box" and a "putting green" with the actual hole, and there are various other standardized forms of terrain in between such as the fairway, rough, and hazards, but each hole on a course and indeed among virtually all courses is unique in its specific layout and arrangement.

Golf competition is generally played for the lowest number of strokes by an individual, known simply as stroke play, or the lowest score on the most individual holes during a complete round by an individual or team, known as match play. Stroke play is the most commonly-seen format at virtually all levels of play, although variations of match play such as "skins" games are also seen in televised events.

Taekwondo

Taekwondo (Korean 태권도 (跆拳道) [tʰɛɡwʌndo]) is a martial art that originates from Korea. It combines combat techniques, self-defense, sport, exercise, and in some cases meditation and philosophy. In 1989, taekwondo was the world's most popular martial art in terms of number of practitioners. Gyeorugi (pronounced [kjʌɾuɡi]), a type of sparring, has been an Olympic event since 2000.

There are two main branches of taekwondo development, which are not necessarily mutually exclusive:

• "Traditional taekwondo" typically refers to the martial art as it was established in the 1950s and 1960s in the South Korean military, and in various civilian organisations, including schools and universities. In particular, the names and symbolism of the traditional patterns often refer to elements of Korean history, culture and religious philosophy. 'Traditional Taekwon-Do' may refer to ITF Taekwon-Do as created by the founder of ITF Taekwon-Do General Choi Hong Hi on April 11 1953; or WTF Taekwondo, founded by Dr Kim Un Yong on May 25, 1973.
• "Sport taekwondo" has developed in the decades since the 1950s and may have a somewhat different focus, especially in terms of its emphasis on speed and competition (as in Olympic sparring). Sport taekwondo is in turn subdivided into two main styles; one is practiced by WTF Taekwondo practitioners, and derives from Kukkiwon, the source of the sparring system sihap gyeorugi which is now an event at the summer Olympic Games and which is governed by the World Taekwondo Federation (WTF). Today, the Kukkiwon, or World Taekwondo Headquarters is the traditional center for WTF taekwondo. The other comes from the International Taekwon-Do Federation (ITF).

Although there are doctrinal and technical differences between sparring in the two main styles and among the various organizations, the art in general emphasizes kicks thrown from a mobile stance, employing the leg's greater reach and power (compared to the arm). Taekwondo training generally includes a system of blocks, kicks, punches, and open-handed strikes and may also include various take-downs or sweeps, throws, and joint locks. Some taekwondo instructors also incorporate the use of pressure points, known as jiapsul, as well as grabbing self-defense techniques borrowed from other martial arts, such as hapkido and judo.

In Korean, tae (태, 跆) means "to strike or break with foot"; kwon (권, 拳) means "to strike or break with fist"; and do (도, 道) means "way", "method", or "path". Thus, taekwondo may be loosely translated as "the way of the hand and the foot."The name taekwondo is also written as taekwon-do, tae kwon-do, or tae kwon do by various organizations, based on historical, philosophical, or political reasons.

Olympic weightlifting

 

Olympic weightlifting, also called Olympic-style weightlifting, or weightlifting, is an athletic discipline in the modern Olympic programme in which participants attempt a maximum-weight single lift of a barbell loaded with weight plates.

The two competition lifts in order are the snatch and the clean and jerk. Each weightlifter receives three attempts in each, and the combined total of the highest two successful lifts determines the overall result within a bodyweight category. Bodyweight categories are different for women and men. A lifter who fails to complete at least one successful snatch and one successful clean and jerk also fails to total, and therefore receives an "incomplete" entry for the competition. The clean and press was once a competition lift, but was discontinued due to difficulties in judging proper form.

In comparison with other strength sports, which test limit strength (with or without lifting aids), Olympic weightlifting tests aspects of human ballistic limits (explosive strength) and are therefore executed faster—and with more mobility and a greater range of motion during their execution - than other lifts. Properly executed, the snatch and the clean and jerk are both dynamic and explosive while appearing graceful, especially when viewed from a recording at a slowed speed.

While there are relatively few competitive Olympic weightlifters (or more simply lifters), the lifts and their components are commonly used by elite athletes in other sports to train for both explosive and functional strength.

Volleyball

 

Volleyball is a team sport in which two teams of six players are separated by a net. Each team tries to score points by grounding a ball on the other team's court under organized rules. It has been a part of the official program of the Summer Olympic Games since 1964.

The complete rules are extensive. But simply, play proceeds as follows: a player on one of the teams begins a 'rally' by serving the ball (tossing or releasing it and then hitting it with a hand or arm), from behind the back boundary line of the court, over the net, and into the receiving team's court. The receiving team must not let the ball be grounded within their court. The team may touch the ball up to 3 times but individual players may not touch the ball twice consecutively. Typically, the first two touches are used to set up for an attack, an attempt to direct the ball back over the net in such a way that the serving team is unable to prevent it from being grounded in their court.

The rally continues, with each team allowed as many as three consecutive touches, until either (1): a team makes a kill, grounding the ball on the opponent's court and winning the rally; or (2): a team commits a fault and loses the rally. The team that wins the rally is awarded a point, and serves the ball to start the next rally. A few of the most common faults include:

• causing the ball to touch the ground outside the opponents' court or without first passing over the net;
• catching and throwing the ball;
• double hit: two consecutive contacts with the ball made by the same player;
• four consecutive contacts with the ball made by the same team.
• net foul: touching the net during play.
• foot fault: the foot crosses over the boundary line when serving

The ball is usually played with the hands or arms, but players can legally strike or push (short contact) the ball with any part of the body.

A number of consistent techniques have evolved in volleyball, including spiking and blocking (because these plays are made above the top of the net, the vertical jump is an athletic skill emphasized in the sport) as well as passing, setting, and specialized player positions and offensive and defensive structures.

Baseball

 
Baseball is a bat-and-ball sport played between two teams of nine players. The aim is to score runs by hitting a thrown ball with a bat and touching a series of four bases arranged at the corners of a ninety-foot diamond. Players on the batting team take turns hitting against the pitcher of the fielding team, which tries to stop them from scoring runs by getting hitters out in any of several ways. A player on the batting team can stop at any of the bases and later advance via a teammate's hit or other means. The teams switch between batting and fielding whenever the fielding team records three outs. One turn at bat for each team constitutes an inning and nine innings make up a professional game. The team with the most runs at the end of the game wins.

Evolving from older bat-and-ball games, an early form of baseball was being played in England by the mid-eighteenth century. This game was brought by immigrants to North America, where the modern version developed. By the late nineteenth century, baseball was widely recognized as the national sport of the United States. Baseball is now popular in North America, parts of Central and South America and the Caribbean, and parts of East Asia.

In the United States and Canada, professional Major League Baseball (MLB) teams are divided into the National League (NL) and American League (AL), each with three divisions: East, West, and Central. The major league champion is determined by playoffs that culminate in the World Series. Five teams make the playoffs from each league: the three regular season division winners, plus two wild card teams. Baseball is the leading team sport in both Japan and Cuba, and the top level of play is similarly split between two leagues: Japan's Central League and Pacific League; Cuba's West League and East League. In the National and Central leagues, the pitcher is required to bat, per the traditional rules. In the American, Pacific, and both Cuban leagues, there is a tenth player, a designated hitter, who bats for the pitcher. Each top-level team has a farm system of one or more minor league teams.

Association football

 

Association football, more commonly known as football or soccer, is a sport played between two teams of eleven players with a spherical ball. At the turn of the 21st century, the game was played by over 250 million players in over 200 countries, making it the world's most popular sport. The game is played on a rectangular field of grass or green artificial turf, with a goal in the middle of each of the short ends. The object of the game is to score by driving the ball into the opposing goal.

In general play, the goalkeepers are the only players allowed to touch the ball with their hands or arms (unless the ball is carried out of play, where the field players are required to restart by a throw-in of the game ball), while the field players typically use their feet to kick the ball, occasionally using other parts of their legs, their torso or head. The team that scores the most goals by the end of the match wins. If the score is tied at the end of the game, either a draw is declared or the game goes into extra time and/or a penalty shootout, depending on the format of the competition. The Laws of the Game were originally codified in England by the Football Association in 1863 and have evolved since then. Association football is governed internationally by FIFA—Fédération Internationale de Football Association (English: International Federation of Association Football)—which organises the FIFA World Cup every four years.

Table tennis

Table tennis, also known as ping-pong, is a sport in which two or four players hit a lightweight, hollow ball back and forth using table tennis rackets. The game takes place on a hard table divided by a net. Except for the initial serve, players must allow a ball played toward them only one bounce on their side of the table and must return it so that it bounces on the opposite side. Points are scored when a player fails to return the ball within the rules. Play is fast and demands quick reactions. A skilled player can impart several varieties of spin to the ball, altering its trajectory and limiting an opponent's options to great advantage.

Table tennis is governed by the worldwide organization International Table Tennis Federation (ITTF), founded in 1926. ITTF currently includes 217 member associations. The table tennis official rules are specified in the ITTF handbook. Since 1988, table tennis has been an Olympic sport, with several event categories. In particular, from 1988 until 2004, these were: men's singles, women's singles, men's doubles and women's doubles. Since 2008 a team event has been played instead of the doubles. In 2007, the governance for table tennis for persons with a disability was transferred from the International Paralympic Committee to the ITTF.

Table

Diagram of a table tennis table showing the unofficial dimensions

The table is 2.74 m (9 ft) long, 1.52 m (5 ft) wide, and 76 cm (30 inch) high with a Masonite (a type of hardboard) or similarly manufactured timber, layered with a smooth, low-friction coating. The table or playing surface is divided into two halves by a 15.25 cm (6 inch) high net. An ITTF approved table surface must be in a green or blue color. Concrete tables with a steel net are sometimes available in public parks.

Basketball

 

Basketball is a team sport, the objective being to shoot a ball through a basket horizontally positioned to score points while following a set of rules. Usually, two teams of five players play on a marked rectangular court with a basket at each width end. Basketball is one of the world's most popular and widely viewed sports.

A regulation basketball hoop consists of a rim 18 inches in diameter and 10 feet high mounted to a backboard. A team can score a field goal by shooting the ball through the basket during regular play. A field goal scores two points for the shooting team if a player is touching or closer to the basket than the three-point line, and three points (known commonly as a 3 pointer or three) if the player is behind the three-point line. The team with the most points at the end of the game wins, but additional time (overtime) may be issued when the game ends with a draw. The ball can be advanced on the court by bouncing it while walking or running (dribbling) or throwing (passing) it to a team mate. It is a violation to move without dribbling the ball (travelling), to carry it, or to hold the ball with both hands then resume dribbling (double dribble).

Various violations are generally called "fouls". Disruptive physical contact (a personal foul) is penalized, and a free throw is usually awarded to an offensive player if he is fouled while shooting the ball. A technical foul may also be issued when certain infractions occur, most commonly for unsportsmanlike conduct on the part of a player or coach. A technical foul gives the opposing team a free throw, and the opposing team is also retained possession of the ball.

Basketball has evolved many commonly used techniques of shooting, passing, dribbling, and rebounding, as well as specialized player positions and offensive and defensive structures (player positioning) and techniques. Typically, the tallest members of a team will play "center", "power forward" or "small forward" positions, while shorter players or those who possess the best ball handling skills and speed play "point guard" or "shooting guard".

While competitive basketball is carefully regulated, numerous variations of basketball have developed for casual play. Competitive basketball is primarily an indoor sport played on a carefully marked and maintained basketball court, but less regulated variations are often played outdoors in both inner city and remote areas.

Kayak

A Kayak is a small, relatively narrow, human-powered boat primarily designed to be manually propelled by means of a double blade paddle. The traditional kayak has a covered deck and one or more cockpits, each seating one paddler. Their cockpit is sometimes covered by a spraydeck (or "skirt") that prevents the entry of water from waves or spray and makes it possible for highly skilled and specially trained kayakers, to roll the kayak: that is, to capsize and right it without it filling with water or ejecting the paddler. In modern kayaks, such recovery methods have been replaced by a preventive approach based on increasing the kayak's stability, and by that reducing the likelihood of its capsize. Many modern kayaks have modified the traditional design in various ways, such as: eliminating the cockpit by seating the paddler on top of the boat ("sit-on-top" kayaks); having inflated air chambers surrounding the boat; replacing the single hull by twin hulls ("W" kayak), and replacing paddles with other human powered propulsion methods, such as foot-powered rotational propellers and 'flippers'. Kayaks are also being sailed, as well as propelled by means of small electric motors, and even by outboard gas engines, when possible.

Sport kayaker at Great Falls, Virginia

Kayaks are often used to get closer to marine animals, for example sea otters

 

In some parts of the world, such as the United Kingdom, kayaks may be considered a subtype of canoes.

The kayak was first made and used by the native Ainu, Aleut and Eskimo hunters in sub-Arctic regions of northeastern Asia, North America and Greenland.

Dragon boat

 

A dragon boat (also dragonboat) is a human-powered watercraft traditionally made in the Pearl River delta region of China's southern Guangdong Province out of teak wood to various designs and sizes. In other parts of China different woods are used to build these traditional watercraft. It is one of a family of Traditional Paddled Long Boats found throughout Asia, Africa, and the Pacific Islands. Dragonboats are the basis of the team paddling sport of dragon boat racing an amateur watersport which has its roots in an ancient folk ritual of contending villagers held over the past 2000 years throughout southern China. While 'competition' has taken place annually for more than 20 centuries as part of religious ceremonies and folk customs, dragon boat racing has emerged in modern times as an international sport, beginning in Hong Kong in 1976. But the history of dragon boats in competition reaches as far back as the same era as the original games of Olympia in ancient Greece. Both dragon boat racing and the ancient Olympiad included aspects of religious observances and community celebrations along with competition.

For competition events, dragon boats are generally rigged with decorative Chinese dragon heads and tails. At other times such as training the decorative regalia is usually removed, although the drum often remains aboard for practice by drummers.

Dragon boat races are traditionally held as part of the annual Duanwu Festival or Duen Ng observance in China. 19th century European observers of the racing ritual, not understanding the significance of Duanwu, referred to the spectacle as a "dragon boat festival". This is the term that has become known in the West.

Dragonboat festival racing, like Duanwu, is observed and celebrated in many areas of east Asia with significant populations of ethnic Chinese living there e.g. Singapore, Malaysia, Riau Islands and Greater China. The date is referred to as the "double fifth" since Duanwu is reckoned as the fifth day of the fifth lunar calendar, which often falls on the Gregorian calendar month of June, but also, rarely, in May or July. This is because Duanwu is reckoned annually in accordance with the traditional calendar system of China, which is a combination of solar and lunar cycles, unlike the solar-based Gregorian calendar system. Christian Easter is another example of lunar-based calendar and date reckoning.

In December 2007, the central government of the People's Republic of China added Duanwu, along with Qingming and Mid-Autumn festivals to the schedule of national holidays observed in the People's Republic of China, such is the importance of dragonboating in China today.

Synchronized swimming

Synchronized swimming (often abbreviated to Synchro) is a hybrid form of swimming, dance and gymnastics, consisting of swimmers (either solos, duets, trios, combos, or teams) performing a synchronized routine of elaborate moves in the water, accompanied by music. Synchronized swimming demands advanced water skills, and requires great strength, endurance, flexibility, grace, artistry and precise timing, as well as exceptional breath control when upside down underwater.

Olympic and World Championship competition is not open to men, but other international and national competitions allow male competitors. Both USA Synchro and Synchro Canada allow men to compete with women. – Most European countries allow men to compete also, France even allows male only podiums, according to the number of participants. In the past decade more men are becoming involved in the sport and a global biannual competition called Men's Cup has been steadily growing.

Competitors show off their strength, flexibility, and aerobic endurance required to perform difficult routines. Swimmers perform two routines for the judges, one technical and one free, as well as age group routines and figures. Synchronized swimming is governed internationally by FINA (Federation Internationale de Natation).

Water Polo

A classic 4–2 man-up situation. The attacking white team has 4 players positioned on 2 meters, and 2 players positioned on 4 meters. The 5 outfield defending blue players try to block shots and prevent a goal being scored for the 20 seconds of man-down play. In the top left corner, the shot clock can be seen, showing 28 seconds remaining in the white attack.

If a defender interferes with a free throw, holds or sinks an attacker who is not in possession or splashes water into the face of an opponent, the defensive player is excluded from the game for twenty seconds (informally called a 'kicked out' or an ejection). The attacking team typically positions 4 players on the 2 meter line, and 2 players on 5 meter line (4–2), passing the ball around until an open player attempts a shot. Other formations include a 3–3 (two lines of three attackers each) or arc (attackers make an arc in front of the goal and one offensive player sits in the 'hole' or 'pit' in front of the goal). The five defending players try to pressure the attackers, block shots and prevent a goal being scored for the 20 seconds while they are a player down. The other defenders can only block the ball with one hand to help the goalie. The defensive player is allowed to return immediately if the offense scores, or if the defense recovers the ball before the twenty seconds expires.

Modern Olympics marathon

1896 Olympic marathon

When the idea of a modern Olympics became a reality at the end of the 19th century, the initiators and organizers were looking for a great popularizing event, recalling the ancient glory of Greece. The idea of organizing a marathon race came from Michel Bréal, who wanted the event to feature in the first modern Olympic Games in 1896 in Athens. This idea was heavily supported by Pierre de Coubertin, the founder of the modern Olympics, as well as the Greeks. The Greeks staged a selection race for the Olympic marathon on 10 March 1896 that was won by Charilaos Vasilakos in 3 hours and 18 minutes (with the future winner of the introductory Olympic Games marathon coming in fifth). The winner of the first Olympic Marathon, on 10 April 1896 (a male-only race), was Spyridon "Spyros" Louis, a Greek water-carrier. He won at the Olympics in 2 hours 58 minutes and 50 seconds.

The women's marathon was introduced at the 1984 Summer Olympics (Los Angeles, USA) and was won by Joan Benoit of the United States with a time of 2 hours 24 minutes and 52 seconds.

Since the modern games were founded, it has become a tradition for the men's Olympic marathon to be the last event of the athletics calendar, with a finish inside the Olympic stadium, often within hours of, or even incorporated into, the closing ceremonies. The marathon of the 2004 Summer Olympics revived the traditional route from Marathon to Athens, ending at Panathinaiko Stadium, the venue for the 1896 Summer Olympics.

The Olympic men's record is 2:06:32, set at the 2008 Summer Olympics by Samuel Kamau Wanjiru of Kenya. The Olympic women's record is 2:23:07, set at the 2012 Summer Olympics by Tiki Gelana of Ethiopia. The men's London 2012 Summer Olympic marathon winner was Stephen Kiprotich of Uganda (2:08:01).

Badminton

Badminton is a racquet sport played by either two opposing players (singles) or two opposing pairs (doubles), who take positions on opposite halves of a rectangular court that is divided by a net. Players score points by striking a shuttlecock with their racquet so that it passes over the net and lands in their opponents' half of the court. Each side may only strike the shuttlecock once before it passes over the net. A rally ends once the shuttlecock has struck the floor.

The shuttlecock (or shuttle) is a feathered projectile whose unique aerodynamic properties cause it to fly differently than the balls used in most racquet sports; in particular, the feathers create much higher drag, causing the shuttlecock to decelerate more rapidly than a ball. Shuttlecocks have a much higher top speed, when compared to other racquet sports. Because shuttlecock flight is affected by wind, competitive badminton is played indoors. Badminton is also played outdoors as a casual recreational activity, often as a garden or beach game.

Since 1992, badminton has been an Olympic sport with five events: men's and women's singles, men's and women's doubles, and mixed doubles, in which each pair consists of a man and a woman. At high levels of play, especially in singles, the sport demands excellent fitness: players require aerobic stamina, agility, explosive strength, speed and precision. It is also a technical sport, requiring good motor coordination and the development of sophisticated racquet movements.