Washington Half Marathon Calendar 2025-2026

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Explore the best half marathons in Washington for 2025-2026! Our updated list features 123 exciting races across the region. Find your next race in Washington below and join the running community at these great events!

March 2025
Mar
15
Saturday

Run The Green

10 km 13 mi
Mar
15
Saturday

St. Paddy's Day Run

5 km 10 km 13 mi
Mar
15
Saturday

Half Marathon at Chiawana Park

5 km 10 km 15 km 13 mi
Mar
15
Saturday

Half Marathon at Lowell Riverfront Park

5 km 10 km 15 km 13 mi
Mar
22
Saturday

Dash Point Trail Run

Trail Run 10 km 13 mi
Mar
22
Saturday

Half Marathon at Liberty Park

5 km 10 km 15 km 13 mi
Mar
22
Saturday

Spring Run for Fun @ Bridle Trails

Trail Run 5 km 10 km 13 mi 26 mi
Mar
22
Saturday

Fall City Classic

5 km 8 km 13 mi
Mar
22-23
Sa - Su

Seattle Cherry Blossom Run

5 km 10 km 13 mi
Mar
29
Saturday

Yakima River Canyon Marathon

13 mi 26 mi
April 2025
Apr
5
Saturday

Half Marathon at Sarg Hubbard Park

5 km 10 km 15 km 13 mi
Apr
5
Saturday

Half Marathon at Langus Riverfront Park

13 mi
Apr
12
Saturday

Half Marathon at Heritage Park

5 km 10 km 15 km 13 mi
Apr
12
Saturday

OAT Run

Trail Run 12 km 13 mi 50 km
Apr
13
Sunday

Mill Town Marathon

10 km 13 mi 26 mi
Apr
19
Saturday

Wenatchee Marathon

5 km 10 km 13 mi 26 mi
Apr
19
Saturday

Run the River - Kennewick, WA

5 km 13 mi 26 mi
Apr
19
Saturday

Squak Mountain Trail Run

Trail Run 12 km 13 mi 50 km
Apr
19
Saturday

Half Marathon at Lowell Riverfront Park

5 km 10 km 15 km 13 mi
Apr
26
Saturday

Sunflower Relay, Half Marathon and Marathon

Trail Run 13 mi 26 mi
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