Ohio
Ohio Triathlon Calendar 2026-2027
Monthly updates for Ohio
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in Ohio for 2026-2027! Our updated list features 11 exciting races across the region. Find your next race in Ohio below and join the running community at these great events!
September 2026
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.
A community triathlon in Miamisburg featuring a 2.5 mile paddle, 3.1 mile run and 10 mile bike with solo and two-person team options.
November 2026
An indoor, timed triathlon at McConnell Heart Health Center on November 8, 2026, with swim, bike, and run segments, limited heats, a relay team option, and proceeds supporting the OhioHealth Behavioral Medicine/Addiction Medicine Fellowship.
A Cincinnati hill-climb event featuring run/walk/ruck, bike, and duathlon options with in-person and virtual entries and online registration.
May 2027
USAT sanctioned duathlon at Secor Metropark near Toledo featuring a 2.5 mile run, a 13.5 mile bike and a 5k run.
Monthly updates for Ohio
Get new running races (and updates) in your inbox every month.
A three day multisport festival at Pleasant Hill Lake Park with triathlon, aquabike, open water swims and Fondo rides across multiple distances and team relay options.
An evening run-bike-run duathlon at Cycle Werks in Whitehouse Ohio featuring a 1.7 mile run, 12.8 mile bike and 2.75 mile run.
June 2027
A multisport event in Napoleon Ohio on June 12, 2027 featuring individual and team triathlon and duathlon races plus a kids fun triathlon; registration runs January 14 to May 14 with tiered entry fees.
At Nona France Quarry in Blue Creek Metropark, the festival offers a sprint triathlon, a duathlon, and a three person super sprint relay where each teammate completes all legs.
July 2027
Women only multi-sport event in Sylvania with triathlon and duathlon distances, an optional team competition, and USAT sanctioning for safety and fairness.
August 2027
A long standing multisport event in Sylvania, Ohio offering sprint and Olympic triathlon, duathlon, aquabike and relay options with USAT sanctioning and national rankings.