Washington Marathon Calendar 2025-2026

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Explore the best marathons in Washington for 2025-2026! Our updated list features 33 exciting races across the region. Find your next race in Washington below and join the running community at these great events!

November 2025
Nov
30
Sunday

Seattle Marathon

21 km 42 km
December 2025
Dec
13
Saturday

Pigtails Run

Trail Run 21 km 42 km 50 km
Dec
31
Wednesday

Last Chance Marathon and Half Marathon

13 mi 26 mi
March 2026
Mar
28
Saturday

Yakima River Canyon Marathon

21 km 42 km
April 2026
Apr
17-18
Fr - Sa

Run the River - Kennewick, WA

5 km 21 km 42 km
Apr
18
Saturday

Wenatchee Marathon

5 km 10 km 21 km 42 km
Apr
25
Saturday

Sunflower Relay, Half Marathon and Marathon

Trail Run 13 mi 26 mi
May 2026
May
2-3
Sa - Su

Tacoma City Marathon

5 km 10 km 21 km 42 km
June 2026
Jun
6-7
Sa - Su

North Olympic Discovery Marathon

5 km 10 km 21 km 42 km
Jun
13
Saturday

Kaniksu Trail Runs

Trail Run 14 mi 29 km ... 50 mi 100 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
July 2026
Jul
25-26
Sa - Su

Jack & Jill Downhill Marathon

13 mi 26 mi
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