1 triathlon event in Walworth County, Wisconsin

From big races to Saturday morning group runs—find triathlon events and connect with the local endurance sports community.

• Fontana Triathlon on Geneva Lake [runsignup.com]
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  Sat, Sep 12, 2026 at 7:00 AM

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  The Fontana Triathlon is a unique and historic race competed in Fontana Wisconsin, on beautiful Lake Geneva. The race offers a high quality, adventurous, and fun multisport experience for athletes of...

  The Fontana Triathlon is a unique and historic race competed in Fontana Wisconsin, on beautiful Lake Geneva. The race offers a high quality, adventurous, and fun multisport experience for athletes of all abilities, from beginners, age group competitors, and elite athletes. The race is based at Fontana Beach. The swim will take place in Geneva Lake, the bike will be through the rolling hills surrounding Fontana and a cool, scenic and challenging run course through the streets and parks of Fontana. Athletes and spectators will enjoy a fun and adventurous experience in one of Midwest’s premier destinations.

  16 Miles 51.5k Run Swim Triathlon

  454 Lake Street, Walworth County, Wisconsin, 53125, United States
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