Ohio
Ohio Triathlon Calendar 2025-2026
Explore the best triathlons in Ohio for 2025-2026! Our updated list features 15 exciting races across the region. Find your next race in Ohio below and join the running community at these great events!
May 2025
The Dooby Du Duathlon is an exciting multi-sport event taking place in Sylvania, Ohio, designed for both seasoned athletes and newcomers. Participants will engage in a combination of running and bikin..
The Coffman YMCA Sprint Triathlon is an exciting event taking place in Springboro, Ohio, designed for both novice and experienced triathletes. Participants will start with a 300-yard serpentine swim i..
The South Fork Duathlon is an exciting multi-sport event taking place in Whitehouse, Ohio. This duathlon features a combination of running and biking, making it suitable for both experienced athletes..
June 2025
The Dayton Triathlon & Multisport Festival is a vibrant event held at Buck Creek State Park Beach in Springfield, Ohio, featuring a variety of races suitable for all ages and skill levels. Participant..
The Hueston Woods Duathlon is an exciting outdoor event taking place at Hueston Woods State Park in College Corner, Ohio. Participants can enjoy a challenging course that includes a 5K trail run, a 12..
The 16th Annual Napoleon Rotary Triathlon, presented by the Henry County Hospital, is set to take place in Napoleon, Ohio. This exciting event features multiple competitions, including a Triathlon and..
The Whitehouse Multi-Sport Festival is a premier sporting event held in Whitehouse, Ohio, featuring a variety of competitions including a triathlon, duathlon, and a super-sprint relay triathlon. Parti..
The Buckeye Triathlon & Multisport Festival is a vibrant event held at Cowan Lake Creek State Park Beach in Wilmington, Ohio. It caters to participants of all ages and skill levels, featuring a variet..
July 2025
The Trillium Women's Only Event is an empowering multi-sport competition held annually in Sylvania, Ohio, designed exclusively for women of all ages and athletic abilities. Participants can choose bet..
The IRONMAN 70.3 Ohio is a premier triathlon event held in Sandusky, Ohio, featuring a unique ferry swim start in Lake Erie. Athletes will tackle a 1.2-mile swim, followed by a fast and flat 56-mile b..
August 2025
The Sylvania Triathlon, Duathlon, Aquabike, and Relay, presented by Skylight Financial Group, is one of the oldest multisport events in the United States, taking place at the Tam-O-Shanter Sports Comp..
Tri CLE is a multisport event celebrating five years of racing in Cleveland, Ohio, featuring various race formats including Super Sprint, Sprint, and Olympic distance triathlons, aquabikes, and duathl..
The Cincinnati Triathlon & Multisport Festival is a vibrant event held at Caesar Creek State Park Beach in Waynesville, Ohio. It caters to participants of all ages and skill levels, featuring a variet..
The Miamisburg Triathlon is an exciting multi-sport event scheduled for August 24, 2025, at Riverfront Park in Miamisburg, Ohio. Participants can choose to compete as solo entrants or in 2-person team..
September 2025
The Zoom RedHawk Triathlon & Multisport Festival is an inclusive event held at Hueston Woods State Park Beach in Oxford, Ohio. It features a variety of races suitable for all ages and skill levels, in..
