Revolutionary drafting detection system debuts for age grouper athletes at Challenge Wanaka

RaceRanger will be on course to test its age group market

Pro athletes describe “idiot age group men” at Ironman North American Championship in Texas

One athlete crashes after being “clipped” by age grouper during bike at Ironman Texas

Challenge Roth to ban swim drafting

German race seeks to ensure athletes don’t drink too much water during the swim

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