Washington Half Marathon Calendar 2025-2026

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Explore the best half marathons in Washington for 2025-2026! Our updated list features 147 exciting races across the region. Find your next race in Washington below and join the running community at these great events!

September 2026
Sep
26-27
Sa - Su

Pacific Coast Running Festival

5 km 10 km Half Marathon Marathon
Sep
26
Saturday

US Road Running - Camas

5 km 10 km Half Marathon
October 2026
Oct
3
Saturday

Leavenworth Marathon

Half Marathon Marathon
Oct
3
Saturday

Run for the Gnomes Half Marathon

5 km Half Marathon
Oct
11
Sunday

Snohomish River Run

5 km 10 km Half Marathon Marathon
Oct
24
Saturday

US Road Running - Camas

5 km 10 km Half Marathon
Oct
25
Sunday

Tri-Cities Marathon

13 mi Marathon
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