Welcome to the T-Rex Triathlon & Duathlon Series

May 28 • June 25 • July 23 • August 20

RAWR! Your favorite midweek sprint triathlon series is back for more fun in 2025! All Triathlons and Duathlons start at 6PM. Sprint triathlon distances are .5 mile swim, 12.4 mile bike and 5K run. Duathlon distances are 1.5 mile run, 12.4 mile bike and 5K run. All finisher's receive a custom medal, finish food and are awards eligibile.

Triathlon & Duathlon

Island Lake State Recreation Area