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 12 exciting races across the region. Find your next race in Ohio below and join the running community at these great events!
October 2026
Trail 5K, a 1 mile walk and a roughly 2 km kayak option at Steyer Nature Preserve, with proceeds benefiting the Sandusky River Watershed Coalition.
November 2026
Indoor triathlon with timed swim, stationary bike, and treadmill run at McConnell Heart Health Center; individual and relay entries, proceeds support physician education on opioid care.
A Cincinnati hill-climb event featuring run/walk/ruck, bike, and duathlon options with in-person and virtual entries and online registration.
May 2027
A USAT sanctioned duathlon at Secor Metropark near Toledo, Ohio, featuring a 2.5 mile run, 13.5 mile bike and 5 km run.
A three day triathlon festival in Perrysville Ohio with individual races and a four person team relay across distances from 3.75 to 70.3 miles.
Monthly updates for Ohio
Get new running races (and updates) in your inbox every month.
Evening duathlon at Cycle Werks in Whitehouse, Ohio, featuring run, bike, run distances and USA Triathlon sanctioning.
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.
Multi-sport event at Blue Creek Metropark featuring triathlon, duathlon and a three person Super Sprint relay with swim, bike and run legs.
July 2027
A women-only multi-sport event with triathlon and duathlon options, team competition, USAT sanctioning, and a packet pickup at CycleWerks in Toledo.
IRONMAN 70.3 Ohio in Sandusky, OH features a ferry swim start on Lake Erie, a fast flat 56 mile bike through rural roads, and a 13.1 mile run through downtown.
August 2027
One of the oldest multisport events in the country at Tam O Shanter Sports Complex and Olander Lake, offering sprint and Olympic triathlon, duathlon, aquabike and relays.
Multi-event competition at Lima Lake Park featuring a 500 yd swim loop, a 15 mile bike on country roads, river walk runs, relays, and a kids 1k.