Event Description The 36 th Annual Fitness Challenge Reverse Sprint Triathlon and Reverse Sprint Duathlon Run 5k, Bike 15k, Swim 1/4 Mile Run 5k, Bike 15k, Run 1 Mile Family Friendly, Great First Time Triathlon and Duathlon Event Location & Accomodations Trending Events 2027 Heartland Series - Day 4 (IL) WABC Fall 5K Fun Run, Walk and 40K Bike Ride Miles of Steel Challenge (November 2026)