Indiana
Indiana Triathlon Calendar 2026-2027
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 13 exciting races across the region. Find your next race in Indiana below and join the running community at these great events!
August 2026
A women-focused multisport event at Red Bridge Park in Cicero IN on August 29 2026 offering triathlon, duathlon, aquabike and relay divisions with awards, soft style shirts in womens sizing and a five dollar referral refund.
The Geist Waterfront Triathlon offers Sprint and Olympic distances in Fishers, Indiana. Athletes swim from a beach at Geist Reservoir, bike on rolling county roads, and run on flat paved paths. The event includes relays, duathlon, and aquabike option..
A sprint triathlon on August 30, 2026 at Azionaqua Swim Club in Zionsville featuring a 200 meter swim, 12.5 mile bike and 3 mile run. Registration runs April 1 to May 10 with a $69.99 fee.
September 2026
Triathlon at Miami State Recreation Area offering sprint, Olympic and half iron distances with USAT sanction, chip timing, relays and aquabike options.
A multisport festival at Hueston Woods State Park Beach on September 13, 2026 offering triathlons, duathlons, aquabikes, aquathlons, open swims and open runs with event tees, finisher medals and a catered post race meal.
Monthly updates for Indiana
Get new running races (and updates) in your inbox every month.
Family centered adventure race at Prairie Creek Reservoir on September 20, 2026 featuring mountain biking, canoeing and hiking; canoe rental included and kids 17 and under free.
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.
Championship SwimRun at Deam Lake Indiana featuring a 12.5 mile course plus multiple open water swim distances and an ultra swim.
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..
Boilerman is an annual Olympic distance triathlon at White Oaks Campground on Lake Freeman, offering individual, collegiate and relay races with standard Olympic distances.
June 2027
A multi-distance triathlon weekend in Hammond, Indiana featuring Sprint and Olympic races, a Paratriathlon national qualifier, youth and canine events, and programming that honors Military, Veterans, and First Responders.
Sprint triathlon at Winona Lake Park with adult, relay, USAT-sanctioned duathlon and youth races, chip timing, helmet rules, and age-group awards.
Multi-distance triathlon in Elkhart with a sandy beach swim, a flat 12-mile bike loop along the state line, and separate competitive and non-competitive kids races.