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Canoe sprint is a sport in which athletes race canoes or kayaks on calm water. Race categories vary by the number of athletes in the boat, the length of the course, and whether the boat is a canoe or kayak. Canoe sprints are sometimes referred to as flat water racing. Canoe sprint takes place on a straight course divided in lanes, on calm water. The distances recognized by the ICF for international races are 200 m, 500 m, and 1000 m. Each boat has its own designated lane, except for races over more than 1000 m, where there also may be turning points. ICF recognized races over 1000m include the 5000m and 10000m events. For each race a number of heats, semi-finals and a final may be necessary, depending on the number of competitors. The sport is governed by the International Canoe Federation. The International Canoe Federation is the worldwide canoeing organization and creates the standard rules for the different disciplines of canoe/kayak competition. The ICF recognizes several competitive and non-competitive disciplines of canoeing, of which Sprint and Slalom are the only two competing in the Olympic games. National organizations include the United States Canoe Association, the British Canoe Union, Singapore Canoe Federation, Croatian Canoe Federation, Australian Canoeing, and the Pakistan Canoe and Kayak Federation. On the whole, Europe has dominated the sport, winning over 90 per cent of all available medals.〔(【引用サイトリンク】url=http://www.teamusa.org/USA-Canoe-Kayak/Disciplines/Canoe-Sprint/History-of-Sprint )〕 The official boats recognized by the ICF as 'International Boats' are: K1, K2, K4, C1, C2 and C4, where the number indicates the number of paddlers, “K” stands for kayak and “C” for Canadian or canoe, depending on location. The ICF rules for these boats define, among others, the maximum length, the minimum weight and the shape of the boats. For example, by ICF rules, a K1 is at most 520 cm long, and weighs at least 8 kg for marathons or 12 kg for sprints. In 2000, after the Olympic Games in Sydney, the ICF withdrew width restrictions on all boats, spurring a flurry of innovations in boat designs. Modern boats are usually made of carbon fiber or aramid fiber (e.g., Kevlar) with epoxy resin. Additionally, some competitive boats use variants of high-performance fiber-glass. ==Kayak== (詳細はpaddle. Kayaks have a rudder, which is operated by the feet of the paddler in the front. For kayaks so-called wing paddles are generally used, the blades of which are shaped to resemble a wing or spoon. The wing blade has undergone many evolutions in the past two decades, evolving from a flatter blade to one with a more pronounced curve to better catch the water. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Canoe sprint」の詳細全文を読む スポンサード リンク
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