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Oklahoma Triathlon Calendar 2025-2026

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Explore the best triathlons in Oklahoma for 2025-2026! Our updated list features 5 exciting races across the region. Find your next race in Oklahoma below and join the running community at these great events!

July 2026
Jul
16-19
Th - Su

NSR Summer Camp

Triathlon
Jul
18
Saturday

Territorial Triathlon Series

Triathlon
Jul
18
Saturday

Tri In

Triathlon
September 2026
Sep
12
Saturday

Sky Trail Adventure Challenge

Multisport
October 2026
Oct
3
Saturday

TRI-It Racing Clubs Du Kona Multi-sport Series

Triathlon
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