A type of track bicycle race. Keirin, a Japanese public sport, was adopted as a sport for international competitions, and is written as "keirin" internationally and "keirin" domestically. It was adopted as an official event at the World Championships in 1980 and at the Sydney Olympic Games in 2000. Six to eight riders compete in each race, covering a distance of 2000m. To prevent the front rider from being handicapped by wind pressure, a pacemaker (pacer) rides a motorized bicycle and the riders follow behind the pacer for a while. When the pacer leaves the race with 600-700m remaining, the riders race to the finish line and compete for the finishing position. A fierce battle ensues between the riders as they try to secure a good position before the final lap. The pacer starts at 30km/h and gradually increases his speed to 50km/h by at least four laps remaining on a 250m track. Keirin |
自転車競技のトラックレースの一つ。日本の公営競技である競輪が,スポーツとして国際大会で採用されたもので,国際的には「keirin」,国内では「ケイリン」と表記,区別される。 1980年に世界選手権で,2000年にシドニー・オリンピック競技大会で,それぞれ正式種目として採用された。1レース6~8人が出場,距離は 2000m。先頭を走る選手が風圧によるハンディキャップを受けるのを避けるため,動力つき自転車がペースメーカー (ペーサー) となり,選手はその後ろについてしばらく周回する。残り 600~700m地点でペーサーが離れたあと,一気にゴールに向かい着順を競う。最後の周回までに好位置を確保しようとする選手間で,激しい駆け引きが展開される。ペーサーはスタート時は時速 30kmで,250mのトラックでは少なくとも残り4周までに徐々に時速 50kmまでスピードを上げる。
ケイリン
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