Indiana
Indiana Triathlon Calendar 2025-2026
Explore the best triathlons in Indiana for 2025-2026! Our updated list features 15 exciting races across the region. Find your next race in Indiana below and join the running community at these great events!
August 2025
The DINO Gravel Triathlon, held in Terre Haute, Indiana at Griffin Bike Park, is Indiana’s only gravel triathlon, featuring beginner-friendly distances and terrain. The event includes multiple race fo..
The Indy Sprint Triathlon #2 takes place at Eagle Creek Park in Indianapolis, Indiana. This event, part of a three-race series, offers multiple race options including a triathlon (500m swim, 10-mile b..
TRI Columbus is a multi-event race held in Columbus, Indiana, featuring a variety of sprint-distance competitions. The event includes a Sprint Triathlon, Sprint Duathlon, and specialized categories su..
The Rock the Quarry Triathlon and Mile Swim, held annually at Fidler Pond Park in Goshen, Indiana, offers a unique sprint triathlon and open water swim experience in a former rock quarry. Scheduled fo..
The Lake Max Triathlon and Duathlon takes place at the Culver Academies campus in Culver, Indiana. This USAT-sanctioned event features an adult triathlon with a 400-meter swim, 11-mile bike ride, and..
The Iron Eagle Paddle & Run is an annual adventure race held at Eagle Creek Park in Indianapolis, Indiana. Scheduled for August 9, 2025, this event features a unique combination of trail running and p..
The Indy Sprint Triathlon #3 is the final race in the Indy Sprint Tri Series, held at Eagle Creek Park in Indianapolis, Indiana. This event welcomes participants aged 14 and older, from beginners to s..
The Zionsville Sprint Triathlon, hosted by the Zionsville Rotary Club, takes place at Azionaqua Swim Club in Zionsville, Indiana, about 16 miles northwest of Indianapolis. This USAT-sanctioned sprint..
September 2025
The Zoom RedHawk Triathlon & Multisport Festival is held at Hueston Woods State Park Beach in Oxford, Ohio, near Cincinnati and Dayton. This inclusive event offers a variety of race distances and form..
The Mudskipper U.S. Individual SwimRun Championships, part of the Mudskipper Championship Series, will be held on September 28, 2025, at Deam Lake State Recreation Area in Borden, Indiana. This challe..
The Mudskipper US Swimrun Indiana III 2025, part of the Mudskipper Championship Series, is a dynamic swimrun event held at Deam Lake in Borden, Indiana. Scheduled for September 28, 2025, the event off..
The Boilerman Triathlon is an annual Olympic distance triathlon held at White Oaks Campground on the shores of Lake Freeman in Monticello, Indiana. The event features a 1500-meter swim, 40-kilometer b..
May 2026
Thunder in the Valley is a USAT-certified multisport event held annually at Hawthorn Park in Terre Haute, Indiana. Celebrating over 40 years, it features a Sprint Triathlon with a 500-meter swim in Ha..
June 2026
America's Race - Leon's Triathlon, held in Hammond, Indiana, is a distinguished event honoring Military, Veterans, and First Responders. Celebrating over 40 years of tradition, it emphasizes service,..
July 2026
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