Oregon Triathlon Calendar 2025-2026

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Explore the best triathlons in Oregon for 2025-2026! Our updated list features 7 exciting races across the state. Find your next race in Oregon below and join the running community at these great events!

May 2025
May
10
Saturday

Gator Grinder Triathlon

Triathlon
June 2025
Jun
7-8
Sa - Su

Best in the West Triathlon

Triathlon
July 2025
Jul
12-13
Sa - Su

HAGG Lake Triathlon

Triathlon
Jul
20
Sunday

Ironman 70.3 Oregon

Triathlon
August 2025
Aug
2
Saturday

Xterra Portland

Cross Triathlon
Aug
8-9
Fr - Sa

Columbia River Triathlon

Triathlon
Aug
10
Sunday

Girlfriends Triathlon & Fitness Festival

Triathlon
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