Washington Half Marathon Calendar 2025-2026

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Explore the best half marathons in Washington for 2025-2026! Our updated list features 111 exciting races across the region. Find your next race in Washington below and join the running community at these great events!

April 2026
Apr
18
Saturday

Wenatchee Marathon

5 km 10 km 13 mi 26 mi
Apr
18
Saturday

Run the River - Kennewick, WA

5 km 13 mi 26 mi
Apr
25
Saturday

Sunflower Relay, Half Marathon and Marathon

Trail Run 13 mi 26 mi
Apr
26
Sunday

The Beats Half Marathon

5 km 10 km 13 mi
Apr
26
Sunday

Spring Classic Half Marathon

5 km 10 km 13 mi
May 2026
May
2-3
Sa - Su

Tacoma City Marathon

5 km 10 km 13 mi 26 mi
May
2
Saturday

Never Say Never Half Marathon

10 km 13 mi
May
10
Sunday

Leavenworth Mai Blumenlauf

5 km 10 km 13 mi
May
17
Sunday

Reflection Run Washougal

5 km 10 km 12 mi 13 mi
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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