Ohio Triathlon Calendar 2025-2026

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Explore the best triathlons in Ohio for 2025-2026! Our updated list features 16 exciting races across the state. Find your next race in Ohio below and join the running community at these great events!

January 2025
Jan
25
Saturday

The Toledo Club Indoor Triathlon

Triathlon
February 2025
Feb
8
Saturday

OSU Indoor Triathlon

Triathlon
Feb
9
Sunday

Medina Rec Indoor Triathlon

Triathlon
Feb
23
Sunday

Indoor Triathlon + Biathlon

Triathlon
Feb
23
Sunday

Beechmont Racquet & Fitness Indoor Triathlon

Triathlon
May 2025
May
4
Sunday

Dooby Du Duathlon

Duathlon
May
21
Wednesday

South Fork Duathlon

Duathlon
June 2025
Jun
1
Sunday

The Dayton Triathlon & Multisport Festival

Triathlon
Jun
7
Saturday

Hueston Woods Duathlon

Duathlon
Jun
21
Saturday

Whitehouse Multi-Sport Festival

Triathlon
Jun
22
Sunday

The Buckeye Triathlon & Multisport Festival

Triathlon
July 2025
Jul
13
Sunday

Trillium Women's Only Event

Triathlon
Jul
20
Sunday

Ironman 70.3 Ohio

Triathlon
Jul
27
Sunday

Sylvania Triathlon

Triathlon
August 2025
Aug
17
Sunday

Cincinnati Triathlon & Multisport Festival

Triathlon
September 2025
Sep
14
Sunday

Zoom RedHawk Triathlon

Triathlon
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