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

July 2026
Jul
12
Su

Trillium Women's Only Event

Triathlon
Jul
18
Sa

Chillicothe Triathlon

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
2
Su

Lake Metroparks Pirate Triathlon

Triathlon
Aug
8
Sa

Columbus Triathlon & Multisport Festival

Triathlon
Aug
15
Sa

Tri-Bulathon

Triathlon
Aug
15
Sa

Shelby YMCA Triathlon

Triathlon
Aug
16
Su

Tri CLE

Triathlon
Aug
16
Su

Cincinnati Triathlon & Multisport Festival

Triathlon
Aug
22
Sa

Flight 2 Freedom Adventure Tri

Triathlon
Aug
23
Su

Miamisburg Triathlon

Triathlon
Aug
23
Su

Mojo Triathlon

Triathlon
Aug
29-30
Sa - Su

Loveland Frogman Race

Triathlon
Aug
30
Su

Try the Tri - Terrace Park

Triathlon
September 2026
Sep
13
Su

Zoom RedHawk Triathlon

Triathlon
November 2026
Nov
8
Su

Tri McConnell Indoor Triathlon

Triathlon
May 2027
May
6
Th

Dooby Du Duathlon

Duathlon
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