Marathon races in Washington, United States — 2026 running calendar

Tri-Cities Marathon

Richland, Washington, United States

Oct 25, 2026 (Sun)

$75.00 - $180.00

Running

Marathon Half-Marathon

2026 Seattle Ghost Marathon, Half & 50K

Seattle, Washington, United States

Nov 28, 2026 (Sat)

$165.00

Running, Trail running

Marathon Half-Marathon Ultra

Last Chance Marathon and Half Marathon

Bellingham, Washington, United States

Dec 31, 2026 (Thu)

$60.00

Running

Marathon Half-Marathon

Woolley Trail Runs

Sedro Woolley, Washington, United States

Feb 13, 2027 (Sat)

$65.00

Running

Ultra Marathon Half-Marathon

Yakima River Canyon Marathon and Half-Marathon

Yakima, Washington, United States

Apr 3, 2027 (Sat)

$85.00

Running

Half-Marathon Marathon

Run the River

Kennewick, Washington, United States

Apr 16, 2027 (Fri) – Apr 17, 2027

$15.00 - $140.00

Running

1.9K Marathon Half-Marathon 5K +2

Washington State Marathon

Redmond, Washington, United States

Apr 18, 2027 (Sun)

$150.00

Running

Marathon

Bound for Boston Marathon & Half Marathon - Seattle

Olympia, Washington, United States

Jun 14, 2026 (Sun)

Running

Marathon Half-Marathon

Super Hyak Marathon and Half

North Bend, Washington, United States

Jun 13, 2026 (Sat)

Running

Marathon Half-Marathon

Light at the End of the Tunnel Marathon & Half

Snoqualmie Pass, Washington, United States

Jun 7, 2026 (Sun)

Running

Marathon Half-Marathon

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

Port Angeles, Washington, United States

Jun 6, 2026 (Sat) – Jul 29, 2026

$35.00

Running, Walking

5K 10K 1.9K Half-Marathon +4

Spring - Mud Mountain Dam Marathon & Half Marathon

Enumclaw, Washington, United States

May 30, 2026 (Sat)

Running

Marathon Half-Marathon