{"id":6986,"date":"2015-08-14T20:17:13","date_gmt":"2015-08-14T16:17:13","guid":{"rendered":"https:\/\/velorbola.com\/keirin-explained\/"},"modified":"2026-10-25T16:42:07","modified_gmt":"2026-10-25T12:42:07","slug":"keirin-explained","status":"publish","type":"post","link":"https:\/\/velorbola.com\/en\/keirin-explained\/","title":{"rendered":"Keirin"},"content":{"rendered":"<p>Keirin (from the Japanese \u7af6\u8f2a \/ \u30b1\u30a4\u30ea\u30f3) is a track event that emerged in Japan after the Second World War.<\/p>\n<p>The race of about 2 kilometers first follows a pacer (the leader who sets the tempo), who gradually builds up speed from 25 to 50 km\/h and leaves the track 600\u2013700 meters before the finish. The pacer rides a so-called derny (an electric bike), named in honor of its designer, the Frenchman Roger Derny.<\/p>\n<p>Victory goes to the first rider across the finish line. Depending on the length of the track, the race may be 8, 6 or 5 laps (a 250-meter oval \u2014 8 laps, 333 m \u2014 6, 400 m \u2014 5).<\/p>\n<p>It has been part of the UCI men&#8217;s World Championships program since 1980, and the women&#8217;s since 2002.<\/p>\n<p>&nbsp;<\/p>\n<p>[youtube height=&#8221;HEIGHT&#8221; width=&#8221;WIDTH&#8221;]https:\/\/www.youtube.com\/watch?v=4aPBqwfj_mQ[\/youtube]<\/p>\n<p><em>Translated from Georgian with the assistance of Claude (Anthropic), reviewed by the Velorbola editors.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Keirin (from the Japanese \u7af6\u8f2a \/ \u30b1\u30a4\u30ea\u30f3) is a track  [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":4431,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[351,348],"tags":[456,455],"class_list":["post-6986","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-olympics","category-track","tag-keirin","tag-track-cycling"],"jetpack_featured_media_url":"https:\/\/velorbola.com\/wp-content\/uploads\/2015\/08\/chris-hoy_2304193b.jpg","_links":{"self":[{"href":"https:\/\/velorbola.com\/en\/wp-json\/wp\/v2\/posts\/6986","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/velorbola.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/velorbola.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/velorbola.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/velorbola.com\/en\/wp-json\/wp\/v2\/comments?post=6986"}],"version-history":[{"count":1,"href":"https:\/\/velorbola.com\/en\/wp-json\/wp\/v2\/posts\/6986\/revisions"}],"predecessor-version":[{"id":6994,"href":"https:\/\/velorbola.com\/en\/wp-json\/wp\/v2\/posts\/6986\/revisions\/6994"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/velorbola.com\/en\/wp-json\/wp\/v2\/media\/4431"}],"wp:attachment":[{"href":"https:\/\/velorbola.com\/en\/wp-json\/wp\/v2\/media?parent=6986"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/velorbola.com\/en\/wp-json\/wp\/v2\/categories?post=6986"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/velorbola.com\/en\/wp-json\/wp\/v2\/tags?post=6986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}