Janesville
Triathlon Calendar near Janesville 2026-2027
Monthly updates for Janesville
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Explore the top triathlons near Janesville for 2026-2027! We've gathered 5 exciting races in the area. Check out our detailed list below to find your next local race.
August 2026
A sprint triathlon at Belleville Community Park on August 23, 2026, with individual, relay and series entries. Distances include a 400 m swim, a 16 mile bike and a 5 km run.
September 2026
A multi-format triathlon at Fontana Beach on Geneva Lake offering Olympic, Sprint, relay, and collegiate sprint races. Events include lake swims, bike routes through rolling hills, and run courses through Fontana streets and parks.
Single day multi-format races at UW-Whitewater featuring triathlon, duathlon and aquabike distances. Online only registration, relay options, a new youth supersprint award and limited Olympic entries.
June 2027
IRONMAN 70.3 Rockford Illinois is a triathlon in Rockford featuring a swim in the Rock River, a rolling bike through rural Illinois and a flat run on local trails. It is one of the later qualifying races for the 2026 IRONMAN 70.3 World Championship.
July 2027
A multi event day in Rockford, Illinois on July 18, 2027 featuring an 18 mile duathlon, a 2 mile run, and a 2 mile ruck with specified loads. A short free post race fitness challenge is included for participants.