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 25 exciting races across the region. Find your next race in Indiana below and join the running community at these great events!
September 2026
Event Details
The Mighty Mississinewa Triathlon takes place at the Miami State Recreation Area in Peru, Indiana. It is a USAT-sanctioned event. Participants must be aged 12 and up by December 31 of the race year.
Distances and Formats
The event featu..
A multisport festival at Hueston Woods State Park Beach near Oxford, Ohio, offering triathlons, duathlons, aquabikes, aquathlons, open water swims and open runs across multiple distances. Packet pick-up and race facilities are at the beachfront.
Multi-distance triathlon at Prairie Creek Reservoir Park with Sprint and Olympic options, USAT sanctioned and chip timed. Lake swim, rolling hills on bike and run, finishers receive a shirt and medal.
A championship swimrun and open-water swim day at Deam Lake on September 27, 2026, featuring a 12.5-mile swimrun plus 3, 6, and 9 mile open-water swim distances as part of the Mudskipper Championship Series.
October 2026
HoosierMan Triathlon on October 4, 2026 at Lake Lemon near Bloomington, Indiana offers sprint and Olympic triathlons, a sprint duathlon, aquabike options and team relays. The USAT sanctioned, chip timed event features a lake swim, rolling bike course..