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 22 exciting races across the region. Find your next race in Ohio below and join the running community at these great events!
September 2027
Adventure racing at East Fork State Park on September 11, 2027 with 6-hour and 12-hour options that include hiking, biking, paddling and map navigation.
A multi-format triathlon festival at Hueston Woods State Park offering triathlon, duathlon, aquabike, aquathlon, open swims and runs on September 19, 2027.
Monthly updates for Ohio
Get new running races (and updates) in your inbox every month.