Marathon races in Washington, United States — 2026 running calendar

Jack & Jill Marathon & Half

North Bend, Washington, United States

Jul 25, 2026 (Sat) – Jul 26, 2026

$141.00 - $171.00

Running

Marathon Half-Marathon

Cougar Mountain Trail Run Series (August)

Bellevue, Washington, United States

Aug 8, 2026 (Sat)

$40.00 - $80.00

Trail running, Running

23.3K Marathon 5K

Tunnel Vision Marathon & Half Marathon

Snoqualmie Pass, Washington, United States

Aug 9, 2026 (Sun)

Running

Marathon Half-Marathon

PeaceHealth Appletree Marathon

Vancouver, Washington, United States

Aug 29, 2026 (Sat) – Aug 30, 2026

$50.00 - $139.00

Running

5K Marathon Half-Marathon +2

Cascade Express Marathon & Half Marathon

North Bend, Washington, United States

Sep 12, 2026 (Sat)

$141.00 - $171.00

Running

Marathon Half-Marathon

Beat the Blerch

Carnation, Washington, United States

Sep 12, 2026 (Sat)

$40.00 - $120.00

Running

5K 10K Half-Marathon Marathon

Skagit Flats Marathon, Half & 5k

Burlington, Washington, United States

Sep 13, 2026 (Sun)

$40.00 - $95.00

Running

5K Half-Marathon Marathon

Fall - Mud Mountain Dam Marathon & Half Marathon

Enumclaw, Washington, United States

Sep 19, 2026 (Sat)

$100.00 - $110.00

Running

Marathon Half-Marathon

Bellingham Bay Marathon

Bellingham, Washington, United States

Sep 20, 2026 (Sun)

$40.00 - $235.00

Running

Marathon Half-Marathon 10K 5K +2

Pacific Coast Running Festival

Long Beach, Washington, United States

Sep 26, 2026 (Sat) – Sep 27, 2026

$22.00 - $107.00

Running

5K Half-Marathon 10K Marathon +6

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

Snohomish, Washington, United States

Oct 11, 2026 (Sun)

$55.00 - $115.00

Running

5K 10K Half-Marathon Marathon

The Spokane Marathon

Spokane, Washington, United States

Oct 11, 2026 (Sun)

Free - $125.00

Running

Marathon Half-Marathon 10K 0.5K +1