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Upcoming Triathlons in Ohio

Find 27 upcoming events across the state

DOOBY DU DUATHLON
Triathlon

DOOBY DU DUATHLON

Sylvania, OH
May 6, 2026
Duathlon
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Coffman YMCA Sprint Triathlon
Triathlon
Price rises in 3 days

Coffman YMCA Sprint Triathlon

Springboro, OH
May 10, 2026
Sprint
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SOUTH FORK DUATHLON
Triathlon

SOUTH FORK DUATHLON

Whitehouse, OH
May 27, 2026
Duathlon
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The Buckeye Triathlon & Multisport Festival
Triathlon

The Buckeye Triathlon & Multisport Festival

Mount Sterling, OH
May 31, 2026
1/3 IronOlympicSprintSuper Sprint
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Napoleon Triathlon Presented By Henry County Hospital
Triathlon
Price rises in 18 days

Napoleon Triathlon Presented By Henry County Hospital

Napoleon, OH
June 13, 2026
SprintDuathlonYouth
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WHITEHOUSE MULTI-SPORT FESTIVAL
Triathlon
Price rises in 18 days

WHITEHOUSE MULTI-SPORT FESTIVAL

Whitehouse, OH
June 20, 2026
SprintDuathlon
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The Dayton Triathlon & Multisport Festival
Triathlon

The Dayton Triathlon & Multisport Festival

Springfield, OH
June 21, 2026
1/3 IronOlympicSprintSuper Sprint
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First Capital Triathlon
Triathlon

First Capital Triathlon

Chillicothe, OH
June 27, 2026
SprintSuper Sprint
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Fun in the Sun Kids Triathlon
Triathlon
Price rises in 55 days

Fun in the Sun Kids Triathlon

Kettering, OH
June 28, 2026
Youth
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Huntington Sprint Triathlon
Triathlon

Huntington Sprint Triathlon

Bay Village, OH
June 28, 2026
Sprint
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TRILLIUM — A WOMEN'S ONLY EVENT
Triathlon
Price rises in 25 days

TRILLIUM — A WOMEN'S ONLY EVENT

Sylvania, OH
July 12, 2026
SprintDuathlon
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Troy Kids Triathlon
Triathlon
Price rises in 68 days

Troy Kids Triathlon

Troy, OH
July 19, 2026
Youth
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IRONMAN 70.3 Ohio
Triathlon

IRONMAN 70.3 Ohio

Sandusky, OH
July 19, 2026
Half Iron
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I Can Triathlon
Triathlon

I Can Triathlon

Troy, OH
July 26, 2026
Youth
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SYLVANIA SUPERKIDS
Triathlon
Price rises in 23 days

SYLVANIA SUPERKIDS

Sylvania, OH
August 1, 2026
Youth
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SYLVANIA TRIATHLON, DUATHLON, AQUABIKE & RELAY Presented by Skylight Financial Group
Triathlon
Price rises in 32 days

SYLVANIA TRIATHLON, DUATHLON, AQUABIKE & RELAY Presented by Skylight Financial Group

Sylvania, OH
August 2, 2026
OlympicSprintDuathlonAquabike
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Lima YMCA Kewpee Triathlon & Duathlon
Triathlon
Price rises in 65 days

Lima YMCA Kewpee Triathlon & Duathlon

Lima, OH
August 2, 2026
Sprint
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Pink Flamingo Youth Triathlon
Triathlon

Pink Flamingo Youth Triathlon

Seven Hills, OH
August 2, 2026
Youth
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Columbus Triathlon & Multisport Festival
Triathlon
Price rises in 3 days

Columbus Triathlon & Multisport Festival

Mount Sterling, OH
August 8, 2026
1/3 IronOlympicSprintDuathlonAquabikeAquathlon
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Tri-Bulathon
Triathlon
Price rises in 109 days

Tri-Bulathon

Ashtabul, OH
August 15, 2026
Sprint
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Countryside YMCA Healthy Kids Triathlon
Triathlon

Countryside YMCA Healthy Kids Triathlon

Lebanon, OH
August 15, 2026
Youth
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The Cincinnati Triathlon & Multisport Festival
Triathlon

The Cincinnati Triathlon & Multisport Festival

Waynesville, OH
August 16, 2026
1/3 IronOlympicSprintAquabikeAquathlon
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Tri CLE
Triathlon
Price rises in 34 days

Tri CLE

Cleveland, OH
August 16, 2026
OlympicSprintSuper SprintDuathlonAquabike
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Miamisburg Triathlon
Triathlon
Price rises in 81 days

Miamisburg Triathlon

Miamisburg, OH
August 23, 2026
Dry Tri
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Loveland Frogman Race
Triathlon

Loveland Frogman Race

Loveland, OH
August 29, 2026
Dry Tri
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The Zoom RedHawk Triathlon & Multisport Festival
Triathlon

The Zoom RedHawk Triathlon & Multisport Festival

College Corner, OH
September 13, 2026
1/3 IronOlympicSprint
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Tri McConnell Indoor Triathlon
Triathlon
Price rises in 155 days

Tri McConnell Indoor Triathlon

Columbus, OH
November 8, 2026
Sprint
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Finding the Right Ohio Triathlon

Whether you are looking for a beginner-friendly Sprint in Ohio or a challenging 70.3, Let's Race provides the most up-to-date calendar for triathletes. Our Ohio list is updated daily to include Ironman, Olympic, and local club races.