Triathlon Calendar near Diversey Harbor 2026-2027

Grab a partner for the Dream Team Dri Tri at Oak Brook Park District on March 8, 2026, a two person relay mixing indoor rowing, air assault biking and laps on the track. Open to ages 12 and up, registration closes March 5.

Test your endurance at this indoor swim bike and run event in Lemont where athletes compete in timed heats using spin bikes and treadmills. Reach your maximum distance across three different disciplines to earn age group awards.

Leon's Triathlon, also known as America's Race, takes place in Hammond, Indiana in early June. It features sprint and Olympic distances for individuals and relays, alongside special championships for military and first responders. The event has a foc..

The annual Naperville Sprint Triathlon offers several race formats from Centennial Beach Park. Participants can tackle a swim, bike, and run course individually or as a relay.

The Chicago Triathlon takes place in August, featuring swims in Lake Michigan, bike rides on iconic city streets, and runs past famous landmarks. Races range from kids' distances to Olympic and Triple Challenge events, with options for individuals an..

An indoor triathlon featuring a row, cycle, and run on fixed equipment and a track. Athletes compete in timed heats, with top finishers earning the Golden Turkey prize.