Indiana Triathlon Calendar 2026-2027

Header image
Monthly updates for Indiana

Get new running races (and updates) in your inbox every month.

Explore the best triathlons in Indiana for 2026-2027! Our updated list features 32 exciting races across the region. Find your next race in Indiana below and join the running community at these great events!

March 2026
A hybrid racing event indoors at Indiana Tech's track in Fort Wayne. Competitors choose between short or long distances, four weight classes, and run alternating with strength stations like sled pushes and sandbag carries. The event offers individual..
May 2026
Test your endurance and navigation at Indiana’s longest running adventure race featuring trekking, cycling, and paddling through Deam Lake State Recreation Area. Compete in teams or solo across 4 or 18 hour courses.
Kick off the multisport season at the 41-year-old Thunder in the Valley in Indiana's Hawthorn Park. Choose from a sprint triathlon, duathlon, or a team relay, each featuring a scenic course with a lake swim. It's a USAT-certified event with finisher..
The Fishers Sprint Triathlon offers four multisport events at Geist Waterfront Park. Choose from a sprint triathlon, duathlon, aquabike, or a team relay. The USAT sanctioned event includes awards and a participant shirt.
Join a unique event at Wayne County Fairgrounds featuring a 5K and bodyweight fitness challenge alongside professional police K9 trials. Support K9 departments while participating in physical challenges or watching the canine competitions.
Compete in the USAT State Championship at Prairie Creek Reservoir Park. Choose from Sprint or Olympic distances in triathlon, duathlon, and aquabike formats on a historic course featuring quiet roads and a lake swim.
Experience a multisport race at Fox Island County Park featuring a 500 yard lake swim and a 12 mile bike ride. Participants can choose between triathlon relay and individual duathlon or aquabike formats.
June 2026
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..
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.
Experience the opening US Mudskipper event at Deam Lake Indiana. Choose from swimrun distances of 5.4 km and 10.8 km or participate in a 5 km trail run through scenic natural surroundings.
Cicero Triathlon in Cicero, Indiana on June 13, 2026 features sprint triathlon, duathlon, aquabike and relay options, USAT sanctioning, awards and guaranteed soft style T shirts for early registration.
Experience the DINO Off-Road Triathlon at Potato Creek State Park, featuring a sprint triathlon, duathlon, and a unique kayak triathlon division for outdoor enthusiasts of all levels.
Experience a diverse multi sport event in Elkhart Indiana featuring sprint distances for individuals and relay teams plus dedicated competitive and fun triathlons for children.
July 2026
Experience the longest running IRONMAN 70.3 in North America with a flat reservoir swim, a fast bike course through the Indiana countryside, and a rolling run through Muncie Nature Park.
La Porte Triathlon returns to La Porte, Indiana on July 11, 2026, marking its 46th year. The sprint program includes triathlon, duathlon, relays and aquabike, and the event is capped at 300 participants.
A sprint distance multisport event in Noblesville, IN on July 11, 2026 offering triathlon, duathlon, aquabike and relay formats. Events are USAT sanctioned and include shirt provisions, age group awards, and a small referral refund program.
A sprint multisport event at Eagle Creek Park on July 18, 2026 offering triathlon, duathlon, aquabike and relay options with shirts, age-group awards and USAT sanctioning.
Experience a variety of multisport challenges at Lake Clare featuring a swim in historic waters and a new flat paved run course through Huntington. Choose from Sprint, Olympic, or Half Iron distances with relay and duathlon options.
Join this USAT sanctioned sprint triathlon in Syracuse Indiana featuring a lakeside swim and a fast bike course. This charitable event supports local youth programs and is open to individual and team competitors of all abilities.
August 2026
Experience Indianas only gravel triathlon at Griffin Bike Park featuring beginner friendly terrain for swimming, gravel cycling, and trail running. Choose between solo or relay formats for the triathlon, duathlon, or kayak triathlon.