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Ohio Triathlon Calendar 2026-2027

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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 23 exciting races across the region. Find your next race in Ohio below and join the running community at these great events!

May 2026
May
6
We

Dooby Du Duathlon

Duathlon
May
9
Sa

Sweat Now, Wine Later Adventure Race

Multisport
May
10
Su

Coffman YMCA Triathlon

Triathlon
May
27
We

South Fork Duathlon

Duathlon
May
31
Su

The Buckeye Triathlon & Multisport Festival

Triathlon
June 2026
Jun
6
Sa

Clear Lake Sprint and Olympic Triathlon

Triathlon
Jun
13
Sa

Napoleon Triathlon

Triathlon
Jun
20
Sa

Whitehouse Multi-Sport Festival

Triathlon
Jun
21
Su

The Dayton Triathlon & Multisport Festival

Triathlon
Jun
28
Su

Huntington Sprint Triathlon

Triathlon
July 2026
Jul
12
Su

Trillium Women's Only Event

Triathlon
Jul
19
Su

Ironman 70.3 Ohio

Triathlon
Jul
19
Su

Troy Kids Triathlon

Triathlon
August 2026
Aug
2
Su

Sylvania Triathlon

Triathlon
Aug
2
Su

Lima YMCA Kewpee Triathlon

Multisport
Aug
8
Sa

Columbus Triathlon & Multisport Festival

Triathlon
Aug
15
Sa

Tri-Bulathon

Triathlon
Aug
16
Su

Tri CLE

Triathlon
Aug
16
Su

Cincinnati Triathlon & Multisport Festival

Triathlon
Aug
23
Su

Miamisburg Triathlon

Triathlon
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