Washington Triathlon Calendar 2025-2026

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Explore the best triathlons in Washington for 2025-2026! Our updated list features 267 exciting races across the region. Find your next race in Washington below and join the running community at these great events!

May 2026
May
10
Sunday

Leavenworth Mai Blumenlauf

5 km 10 km 13 mi
May
16
Saturday

Guardian Angel Color Run

5 km
May
16
Saturday

SDA Color Run

5 km
May
17
Sunday

Reflection Run Washougal

5 km 10 km 12 mi 13 mi
May
23
Saturday

Leavenworth Trail Fest

Trail Run 5 km 27 km 55 km
May
31
Sunday

Evergreen Half Marathon

5 mi 13 mi
June 2026
Jun
13
Saturday

Kaniksu Trail Runs

Trail Run 13 mi 29 km ... 50 mi 100 km
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