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Speed skating

Speed skating is a competitive form of ice skating in which the competitors race each other in travelling 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 International Skating Union (ISU), the governing body of competitive ice sports, refers to long track as 'speed skating' and short track as 'short track skating'. (Source: Wikipedia.org, CC BY-SA)

Sport climbing

Sport climbing (or Bolted climbing) is a form of rock climbing that relies on permanent anchors (or bolts), permanently fixed into the rock for climber protection, in which a rope that is attached to the climber is clipped into the anchors to arrest a fall; it can also involve climbing short distances with a crash pad underneath as protection. This is in contrast to traditional climbing where climbers must place removable protection as they climb. Sport climbing usually involves lead climbing and toproping techniques, but free solo and deep-water solo (i.e. no protection) climbing on sport routes is also sometimes possible. (Source: Wikipedia.org, CC BY-SA)

Surfing

Surfing is a surface water sport in which an individual, a surfer (or two in tandem surfing), uses a board to ride on the forward section, or face, of a moving wave of water, which usually carries the surfer towards the shore. Waves suitable for surfing are primarily found on ocean shores, but can also be found in standing waves in the open ocean, in lakes, in rivers in the form of a tidal bore, or in wave pools. The term surfing refers to a person riding a wave using a board, regardless of the stance. There are several types of boards. The Moche of Peru would often surf on reed craft, while the native peoples of the Pacific surfed waves on alaia, paipo, and other such water craft. Ancient cultures often surfed on their belly and knees, while the modern-day definition of surfing most often refers to a surfer riding a wave standing on a surfboard; this is also referred to as stand-up surfing. (Source: Wikipedia.org, CC BY-SA)

Swimming

Swimming is an individual or team racing sport that requires the use of one's entire body to move through water. The sport takes place in pools or open water (e.g., in a sea or lake). Competitive swimming is one of the most popular Olympic sports, with varied distance events in butterfly, backstroke, breaststroke, freestyle, and individual medley. In addition to these individual events, four swimmers can take part in either a freestyle or medley relay. A medley relay consists of four swimmers who will each swim a different stroke, ordered as backstroke, breaststroke, butterfly and freestyle. (Source: Wikipedia.org, CC BY-SA)

Table tennis

Table tennis, also known as ping-pong and whiff-whaff, is a sport in which two or four players hit a lightweight ball, also known as the ping-pong ball, back and forth across a table using small solid rackets. It takes place on a hard table divided by a net. Except for the initial serve, the rules are generally as follows: Players must allow a ball played toward them to bounce once on their side of the table and must return it so that it bounces on the opposite side. A point is scored when a player fails to return the ball within the rules. Play is fast and demands quick reactions. Spinning the ball alters its trajectory and limits an opponent's options, giving the hitter a great advantage. (Source: Wikipedia.org, CC BY-SA)

Taekwondo

Taekwondo, Tae Kwon Do or Taekwon-Do (/ˌtaɪkwɒnˈdoʊ, ˌtaɪˈkwɒndoʊ/; Korean: 태권도/跆拳道 [tʰɛ.k͈wʌn.do] ) is a Korean form of martial arts involving punching and kicking techniques, with emphasis on head-height kicks, spinning jump kicks, and fast kicking techniques. The literal translation for tae kwon do is 'kicking', 'punching', and 'the art or way of'. They are a kind of martial arts in which one attacks or defends with hands and feet anytime or anywhere, with occasional use of weapons. The physical training undertaken in Taekwondo is purposeful and fosters strength of mind through mental armament. (Source: Wikipedia.org, CC BY-SA)

Tennis

Tennis is a racket sport that is played either individually against a single opponent (singles) or between two teams of two players each (doubles). Each player uses a tennis racket that is strung with cord to strike a hollow rubber ball covered with felt over or around a net and into the opponent's court. The object of the game is to manoeuvre the ball in such a way that the opponent is not able to play a valid return. The player who is unable to return the ball validly will not gain a point, while the opposite player will. (Source: Wikipedia.org, CC BY-SA)

Triathlon

A triathlon is an endurance multisport race consisting of swimming, cycling, and running over various distances. Triathletes compete for fastest overall completion time, racing each segment sequentially with the time transitioning between the disciplines included. The word is of Greek origin, from τρεῖς or treis (three) and ἆθλος or athlos (competition). The sport originated in the late 1970s in Southern California as sports clubs and individuals developed the sport. This history has meant that variations of the sport were created and still exist. It also led to other three-stage races using the name triathlon despite not being continuous or not consisting of swim, bike, and run elements. (Source: Wikipedia.org, CC BY-SA)

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 Tokyo 1964. Beach volleyball was introduced to the programme at the Atlanta 1996. The adapted version of volleyball at the Summer Paralympic Games is sitting volleyball. The complete set of rules is extensive, but play essentially 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 three times to return the ball to the other side of the court, but individual players may not touch the ball twice consecutively. Typically, the first two touches are used to set up for an attack. An attack is an attempt to direct the ball back over the net in such a way that the team receiving the ball is unable to pass the ball and continue the rally, thus, losing the point. The team that wins the rally is awarded a point and serves the ball to start the next rally. (Source: Wikipedia.org, CC BY-SA)

Water polo

Water polo is a competitive team sport played in water between two teams of seven players each. The game consists of four quarters in which the teams attempt to score goals by throwing the ball into the opposing team's goal. The team with the most goals at the end of the game wins the match. Each team is made up of six field players and one goalkeeper. Excluding the goalkeeper, players participate in both offensive and defensive roles. It is typically played in an all-deep pool where players cannot touch the bottom. A game consists mainly of the players swimming to move about the pool, treading water (mainly using the eggbeater kick), passing the ball, and shooting at the goal. Teamwork, tactical thinking and awareness are also highly important aspects. Water polo is a highly physical and demanding sport and has frequently been cited as one of the most difficult to play. (Source: Wikipedia.org, CC BY-SA)

Weightlifting

Weightlifting generally refers to activities in which people lift weights, often in the form of dumbbells or barbells. People lift various kinds of weights for a variety of different reasons. These may include various types of competition; promoting health and fitness; developing physical strength; or developing a muscular physique, possibly with the goal of engaging in competitive bodybuilding. (Source: Wikipedia.org, CC BY-SA)

Wrestling

Wrestling is a series of combat sports involving grappling-type techniques such as clinch fighting, throws and takedowns, joint locks, pins and other grappling holds. Wrestling techniques have been incorporated into martial arts, combat sports and military systems. The sport can either be genuinely competitive or sportive entertainment (see professional wrestling). Wrestling comes in different forms such as freestyle, Greco-Roman, judo, sambo, folkstyle, catch, submission, sumo, pehlwani, shuai jiao and others. A wrestling bout is a physical competition, between two (sometimes more) competitors or sparring partners, who attempt to gain and maintain a superior position. (Source: Wikipedia.org, CC BY-SA)