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!
June 2026
A USAT sanctioned multi-sport festival at Nona France Quarry in Blue Creek Metropark, Whitehouse, OH. Events include a sprint triathlon, a duathlon, and a three person super sprint relay with swim, bike and run legs.
A USA Triathlon sanctioned multisport festival on June 21, 2026 at Buck Creek State Park offering youth and adult triathlon, duathlon, aquabike, aquathlon, open runs and open water swims with online only registration.
A USA Triathlon sanctioned sprint triathlon at Huntington Beach in Bay Village Ohio. The course includes a 750 meter open water swim, a 13.1 mile bike through Bay Village and Avon Lake, and a 3 mile run with a 400 athlete field.
July 2026
A women only triathlon and duathlon at Centennial Quarry in Sylvania, Ohio on July 12, 2026. The event offers individual and relay formats with distances from a 400 meter swim to 11 mile bike segments.
A mini triathlon in downtown Chillicothe featuring a 200 m pool swim, a 6.2 mile bike and a 1.6 mile run on the Paint Creek Recreational Trail. Transition is located by the pool house parking lot.
IRONMAN 70.3 Ohio in Sandusky starts with a ferry swim in Lake Erie, follows a fast flat 56 mile bike through rural roads, and finishes with a 13.1 mile run through historic downtown. The race offers IRONMAN 70.3 World Championship qualification and..
A youth triathlon in Troy, Ohio on July 19, 2026 featuring swim, bike and run legs for ages 4 to 14 across local venues. Fees change after July 5 and proceeds support The Rec youth programs.
August 2026
A multisport event on 08/02/2026 at Tam-O-Shanter Sports Complex and Olander Lake offering sprint and Olympic triathlon, duathlon, aquabike and relay races, with national age group rankings and event support from over 300 volunteers.
A triathlon and duathlon at Lima Lake Reservoir with a looped swim, a 15 mile country road bike course, and river walk runs, plus relay options, a kids 1k, post-race food and a bounce house.
A triathlon at Fairport Harbor Lakefront Park on August 2, 2026, with swim or kayak starts plus a 20 km bike and 5 km run. Courses use Lake Erie and marked public roads with lifeguards and traffic control at key intersections.
A multisport festival in New Holland, Ohio on August 8, 2026, featuring triathlon, duathlon, aquabike, aquathlon, open-water swims, and 5k/10k/15k runs. Relay and virtual options are available, with training help, medals, photos, and a post-race meal..
Experience a sprint triathlon at Walnut Beach featuring a 500 yard swim, an 11.15 mile bike, and a 5K run. Join as an individual or part of a team for this timed community event in Ashtabula.
A triathlon and duathlon at the Shelby YMCA on August 15, 2026, with individual and team options, defined distances, age-group awards, and tiered registration fees.
Tri CLE on August 16, 2026 offers triathlon, duathlon and aquabike races at Edgewater Park with a Lake Erie swim, a closed-to-traffic bike course on the Memorial Shoreway, and run routes along the lakefront, plus relay options.
August 16, 2026 at Caesar Creek State Park Beach in Waynesville Ohio, this multisport festival offers triathlon, duathlon, aquabike, aquathlon, open swims and open runs from beginner to 1/3 Iron distances, with shirts, medals and on-site medical and..
An adventure triathlon at Barkcamp State Park with kayak or swim starts, an off road bike leg and a 5K trail run; proceeds support the Underground Railroad Museum in Flushing, Ohio.
A riverfront triathlon with a 2.5 mile paddle segment, a 3.1 mile run and a 10 mile bike. Solo or 2-person team options with team canoe equipment included.
Mojo Triathlon at VOA Park on August 23, 2026 offers sprint and Olympic triathlon, duathlon, aqua bike and relay events with para divisions. The swim is in the VOA lake and the bike course includes rolling hills.
A two-day multisport event in Loveland featuring a 5 mile kayak, 8 mile bike, and 5K run with individual and two-person team options; packet pickup is Friday only and safety equipment rules apply.
September 2026
A multisport festival at Hueston Woods State Park Beach near Oxford, Ohio, offering triathlons, duathlons, aquabikes, aquathlons, open water swims and open runs across multiple distances. Packet pick-up and race facilities are at the beachfront.