Marathon races in Washington, United States — 2026 running calendar

Sep

12

Beat the Blerch

Carnation, Washington, United States

$40.00 - $120.00

Running

5K 10K Half-Marathon Marathon

Sep

12

Cascade Express Marathon & Half Marathon

North Bend, Washington, United States

$141.00 - $171.00

Running

Marathon Half-Marathon

Sep

13

Skagit Flats Marathon, Half & 5k

Burlington, Washington, United States

$40.00 - $95.00

Running

5K Half-Marathon Marathon

Sep

13

Tunnel Light Marathon & Half

Snoqualmie Pass, Washington, United States

Running

Marathon Half-Marathon

Sep

19

Fall - Mud Mountain Dam Marathon & Half Marathon

Enumclaw, Washington, United States

$125.00 - $135.00

Running

Marathon Half-Marathon

Sep

20

Bellingham Bay Marathon

Bellingham, Washington, United States

$45.00 - $260.00

Running

Marathon Half-Marathon 10K 5K +2

Sep

26

Pacific Coast Running Festival

Long Beach, Washington, United States

$22.00 - $107.00

Running

5K Half-Marathon 10K Marathon +6

Oct

11

The Snohomish River Run Marathon, Half Marathon, 10K and 5K

Snohomish, Washington, United States

$55.00 - $115.00

Running

5K 10K Half-Marathon Marathon

Oct

11

The Spokane Marathon

Spokane, Washington, United States

Free - $135.00

Running

Marathon Half-Marathon 10K 0.5K +1

Oct

25

Tri-Cities Marathon

Richland, Washington, United States

$75.00 - $180.00

Running

Marathon Half-Marathon

Nov

28

2026 Seattle Ghost Marathon, Half & 50K

Seattle, Washington, United States

$165.00

Running Trail running

Marathon Half-Marathon Ultra

Dec

31

Last Chance Marathon and Half Marathon

Bellingham, Washington, United States

$60.00

Running

Marathon Half-Marathon