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Washington Marathon Calendar 2025-2026

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Monthly updates for Washington

Get new running races (and updates) in your inbox every month.

Explore the best marathons in Washington for 2025-2026! Our updated list features 49 exciting races across the region. Find your next race in Washington below and join the running community at these great events!

May 2026
May
2-3
Sa - Su

Tacoma City Marathon

5 km 10 km Half Marathon Marathon
May
16-17
Sa - Su

Capital City Marathon

5 mi Half Marathon Marathon
May
17
Su

Windermere Marathon

5 km 10 km Half Marathon Marathon
May
30
Sa

Mud Mountain Dam Marathon

5 km Half Marathon Marathon
June 2026
Jun
6-7
Sa - Su

North Olympic Discovery Marathon

5 km 10 km Half Marathon Marathon
Jun
7
Su

Light at the End of the Tunnel Marathon

Trail Run Half Marathon Marathon
Jun
13
Sa

Kaniksu Trail Runs

Trail Run 14 mi 29 km ... 50 mi 100 km
Jun
13
Sa

Super Marathon & Half Marathon

Trail Run 13 mi 26 mi
Jun
20
Sa

Jasper Mountain Trail Fest

Trail Run 4 mi 13 mi 26 mi 100 km
Jun
20-21
Sa - Su

Wild Woman Trail Marathon

Trail Run Half Marathon Marathon 50 km
July 2026
Jul
25-26
Sa - Su

Jack & Jill Downhill Marathon

Half Marathon 26 mi
August 2026
Aug
8
Sa

Cougar Mountain Trail Run Series

Trail Run 5 km 15 mi 26 mi
Aug
9
Su

Tunnel Vision Marathon

Trail Run Half Marathon Marathon
Aug
29-30
Sa - Su

Appletree Marathon

5 km Half Marathon Marathon
September 2026
Sep
5
Sa

Jump off Joe Marathon

Trail Run 10 km 13 mi 26 mi
Sep
12
Sa

Goat Run - Port Angeles, WA

Trail Run Half Marathon Marathon 50 km
Sep
12
Sa

Cascade Express Marathon

Trail Run 13 mi Marathon
Sep
12
Sa

Beat the Blerch

Trail Run 5 km 10 km Half Marathon Marathon
Sep
13
Su

Tunnel Light Marathon

Trail Run Half Marathon Marathon
Sep
13
Su

Skagit Flats Marathon

3 mi 13 mi 26 mi