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Washington Half Marathon Calendar 2025-2026

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Explore the best half marathons in Washington for 2025-2026! Our updated list features 108 exciting races across the region. Find your next race in Washington below and join the running community at these great events!

May 2026
May
30-31
Sa - Su

Echo Valley

Trail Run 10 km 21 km 50 km
May
31
Sunday

Evergreen Half Marathon

5 mi 13 mi
June 2026
Jun
6-7
Sa - Su

North Olympic Discovery Marathon

5 km 10 km 21 km 42 km
Jun
19-21
Fr - Su

Wild Woman Trail Marathon

Trail Run 21 km 42 km 50 km
Jun
20
Saturday

Jasper Mountain Trail Fest

Trail Run 4 mi 13 mi 26 mi 100 km
Jun
27
Saturday

Tiger Peak Challenge

Trail Run 5 mi 21 km 50 km
July 2026
Jul
11
Saturday

Devil's Gulch

Trail Run 13 mi 50 mi 100 mi
Jul
19
Sunday

B & O Half Marathon

10 km 21 km
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