Illinois
Illinois Triathlon Calendar 2025-2026
Explore the best triathlons in Illinois for 2025-2026! Our updated list features 8 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!
November 2025
Race the Turkey Dri Tri at Oak Brook Park District on Sunday, November 23, 2025, featuring indoor rowing cycling and a track run in timed heats. Open to ages 12 and up with a $25 entry and Golden Turkey prizes for top men and women.
February 2026
Take on the YMCA Dry Tri in Toledo on February 28, 2026, an indoor triathlon using rowers, stationary bikes and treadmills. Timed segments and wave starts make it fun and social, so register by February 1 to guarantee a race shirt.
March 2026
May 2026
June 2026
July 2026
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