Crystal Lake
Triathlon Calendar near Crystal Lake 2026-2027
Monthly updates for Crystal Lake
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Explore the top triathlons near Crystal Lake for 2026-2027! We've gathered 4 exciting races in the area. Check out our detailed list below to find your next local race.
February 2026
Join the St. Charles Indoor Triathlon on Feb 1, 2026 at Norris Recreation Center, featuring adult and youth waves with pool lane swims, stationary bikes, and a tracked run. Proceeds benefit St. Charles Aquatics and youth tri programs.
June 2026
Fox Lake Sprint Triathlon at LakeFront Park features a 750 yard swim, 12 mile bike and 3.1 mile run with time trial starts every five seconds. Individuals and relay teams welcome with post race food, music and awards near transition.
July 2026
Lake Zurich Triathlon on July 12, 2026 at Paulus Park offers Olympic, sprint, duathlon and aquabike formats with measured swim, bike and run distances and a range of entry options.
Take the plunge at Crystal Lake Aquathon in Three Oaks Recreation Area, where swimmers circle three islands and runners enjoy scenic trail, sand and pavement loops. Choose sprint, Olympic or timed swim distances while supporting Girls on the Run of N..