Indiana
Indiana Triathlon Calendar 2026-2027
Monthly updates for Indiana
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Explore the best triathlons in Indiana for 2026-2027! Our updated list features 37 exciting races across the region. Find your next race in Indiana below and join the running community at these great events!
May 2026
Mission 18HR is an 18 hour adventure race at Deam Lake State Recreation Area on May 2, 2026 combining navigation, cycling, trekking and paddling. Teams of two or three or approved solo entrants score checkpoints across the course.
A USAT certified multi-sport event at Hawthorn Park offering a 500 m swim, a 20 km bike and a 5 km run for triathletes, plus a duathlon and relay options. USAT membership or a one-day license is required.
A multisport event at Geist Waterfront Park in Fishers, IN on May 16, 2026 offering sprint triathlon, duathlon, aquabike and a 2 to 3 person relay; shirts and age group awards are provided.
A combined 5K and fitness challenge plus certified law enforcement K9 trials at Wayne County Fairgrounds on May 16, 2026. The day includes a 5K with an optional 140-rep workout, a virtual 5K, and multiple K9 competition categories with awards.
USAT Indiana State Championship triathlon at Prairie Creek Reservoir Park in Selma, Indiana offering sprint and Olympic distances, duathlon, aquabike and relays, with chip timing, age group awards, and a 1000 racer limit.
The Fox Island Triathlon #1 offers a classic sprint-distance challenge at Fox Island County Park. Athletes will swim in Bowman Lake, bike on flat county roads, and run on scenic paved trails. The event features individual and relay options, following..
H2 GO Splash and Dash is an untimed swim and run training day at Hobart High School on May 24, 2026. It offers two distances and is free for kids and members; non-member adults must buy an annual NWI Tri membership.
June 2026
Leon's Triathlon in Hammond, Indiana features sprint and Olympic races, relays, a paratriathlon qualifier, military and first responder championships, and youth splash and dash events. It honors military, veterans and first responders and is part of..
Jump into the Clear Lake Triathlon on June 6, 2026 at Clear Lake Beach and Pub in Fremont Indiana, offering sprint and Olympic distances plus duathlon options. USAT sanctioned event with chip timing, shirts, medals and age group awards.
A day of swimrun and a trail race at Deam Lake, Indiana on 07 Jun 2026, featuring 5.4 km and 10.8 km swimrun options and a 5 km trail run with published entry fees.
A multi-discipline event in Vincennes on June 7, 2026 featuring sprint triathlon, a new Super Tri, and duathlon with individual, relay, youth, and family divisions; the course starts and ends at Gregg Park.
Cicero Triathlon on June 13, 2026 at Red Bridge Park offers triathlon duathlon aquabike and relay formats with measured swim bike and run legs. Soft style shirts and awards are part of the event and an age minimum applies.
A day of off-road multisport races in North Liberty, Indiana on June 20, 2026, featuring swim, kayak, mountain bike and trail run formats plus relays and a standalone 7K trail race.
A distance-based hybrid race on a 400 meter outdoor track combining nine runs with eight infield strength stations, four weight levels, and options for individuals or teams; chip timed with splits, shirts, medals, and age-group awards.
A multi-format triathlon at Ideal Beach Waterpark in Elkhart, IN on June 27, 2026, featuring sprint individual and relay races plus timed and non-timed kids events with lifeguards and on-course monitors.
An annual USAT sanctioned sprint triathlon at Winona Lake Park featuring adult, relay, duathlon, aqua bike and youth divisions, chip timing, helmet and USAT rule enforcement, and packet pickup the day before and race morning.
July 2026
La Porte Triathlon returns on 07/11/2026 in La Porte Indiana with triathlon, duathlon, relay and aquabike formats. The event marks its 46th year and will be capped at 300 participants.
Multisport event at Morse Park & Beach on July 11, 2026 featuring triathlon, duathlon, aquabike and relay options over sprint distances, with soft-style shirts, age-group awards and a $5 referral refund program.
Indy Sprint Tri at Eagle Creek Park on July 18, 2026 offers triathlon, duathlon, aquabike and relay formats with set swim, bike and run segments. Registration runs January 6-31 and fees start at $65.