KOS XTREME 2025

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KOS XTREME TRIATHLON

The distance you'll all agree on

KOS XTREME

TriathlonThe most popular
  • Early June 2025
  • Swimming
    2 km
    2 loopsx1 km
  • Road Cycling
    50 km
  • Road Running
    10 km

More races await you

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The new generation platform that allows all runners, whatever their level, to (re)discover the French territory and heritage, by finding the races that suit them.