Lake Forest
Triathlon Calendar near Lake Forest 2026-2027
Monthly updates for Lake Forest
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Explore the top triathlons near Lake Forest for 2026-2027! We've gathered 8 exciting races in the area. Check out our detailed list below to find your next local race.
July 2026
Wauconda Triathlons offers adult Olympic and sprint races plus a kids race in Wauconda. It is part of the Lake County sprint series and provides course maps, elevation profiles, transition maps, and past race results.
August 2026
A women's multisport event on August 9, 2026, in Pleasant Prairie, WI offering sprint triathlon, duathlon, relay and para sprint options. Registration runs November 17 to December 1, 2025, with fees from $95 to $190.
A two day Lake Michigan triathlon with swim, bike and run courses through central Chicago and race options from kids to Olympic distance.
November 2026
Indoor triathlon at Oak Brook Park District on November 22, 2026 featuring rowing, stationary cycling, and a track run. Open to ages 12 and up with heats assigned by age and gender; registration runs September 1 to October 1 for $20.
An indoor triathlon at the RecPlex combining a timed swim, spin bike, and treadmill run with equal-weight scoring, medals for finishers, and a $40 online registration fee; wave assignments and swim-lane details are provided before race day.
February 2027
Experience an indoor triathlon in Evanston where distance is the goal. Complete a ten minute swim, twenty minute bike, and fifteen minute run to qualify for the U.S. Collegiate Club Triathlon Nationals.
June 2027
A multi-format triathlon and duathlon at Pleasant Prairie RecPlex and Prairie Springs Park on 27 June 2027 featuring sprint and Olympic distances, relays, a para sprint, collegiate races, and a charity team option.
July 2027
Annual multi sport event in Lake Zurich, IL offering Olympic and Sprint triathlon distances plus a duathlon at Paulus Park; sanctioned by USA Triathlon.