Washington Half Marathon Calendar 2025-2026

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Explore the best half marathons in Washington for 2025-2026! Our updated list features 129 exciting races across the region. Find your next race in Washington below and join the running community at these great events!

November 2025
Nov
29
Saturday

Seattle Ghost Marathon

13 mi 26 mi 50 km
Nov
30
Sunday

Seattle Marathon

13 mi 26 mi
December 2025
Dec
6
Saturday

Half Marathon at Langus Riverfront Park

13 mi
Dec
13
Saturday

Pigtails Run

Trail Run 13 mi 26 mi 50 km
Dec
13
Saturday

Santa Runs Tacoma

5 km 10 km 13 mi
Dec
13
Saturday

Half Marathon at Heritage Park

5 km 10 km 15 km 13 mi
Dec
27
Saturday

Half Marathon at Liberty Park

5 km 10 km 15 km 13 mi
March 2026
Mar
7
Saturday

Lake Sammamish Half Marathon

13 mi
April 2026
Apr
18
Saturday

Wenatchee Marathon

5 km 10 km 13 mi 26 mi
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