Marathon races in Washington, United States — 2026 running calendar

North Olympic Discovery Marathon (5K / 10K/ Half / Full / Relay / Kids Marathon)

Port Angeles, Washington, United States

06 Jun, 2026 (Sat) – 29 Jul, 2026

$15.00 - $350.00

Running, Walking

5K 10K 1.9K Half-Marathon +4

Light at the End of the Tunnel Marathon & Half

Snoqualmie Pass, Washington, United States

07 Jun, 2026 (Sun)

Running

Marathon Half-Marathon

Super Hyak Marathon and Half

North Bend, Washington, United States

13 Jun, 2026 (Sat)

$139.00 - $171.00

Running

Marathon Half-Marathon

Bound for Boston Marathon & Half Marathon - Seattle

Olympia, Washington, United States

14 Jun, 2026 (Sun)

$45.00 - $95.00

Running

Marathon Half-Marathon

Jack & Jill Marathon & Half

North Bend, Washington, United States

25 Jul, 2026 (Sat) – 26 Jul, 2026

$141.00 - $171.00

Running

Marathon Half-Marathon

Cougar Mountain Trail Run Series (August)

Bellevue, Washington, United States

08 Aug, 2026 (Sat)

$40.00 - $80.00

Trail running, Running

23.3K Marathon 5K

PeaceHealth Appletree Marathon

Vancouver, Washington, United States

29 Aug, 2026 (Sat) – 30 Aug, 2026

$50.00 - $139.00

Running

5K Marathon Half-Marathon +2

Cascade Express Marathon & Half Marathon

North Bend, Washington, United States

12 Sep, 2026 (Sat)

$141.00 - $171.00

Running

Marathon Half-Marathon

Beat the Blerch

Carnation, Washington, United States

12 Sep, 2026 (Sat)

$40.00 - $120.00

Running

5K 10K Half-Marathon Marathon

Skagit Flats Marathon, Half & 5k

Burlington, Washington, United States

13 Sep, 2026 (Sun)

$35.00 - $80.00

Running

5K Half-Marathon Marathon

Fall - Mud Mountain Dam Marathon & Half Marathon

Enumclaw, Washington, United States

19 Sep, 2026 (Sat)

$90.00 - $100.00

Running

Marathon Half-Marathon

Bellingham Bay Marathon

Bellingham, Washington, United States

20 Sep, 2026 (Sun)

$35.00 - $215.00

Running

Marathon Half-Marathon 10K 5K +2