Half-Marathon races in Washington, United States — 2026 running calendar

Orca Half Marathon

Seattle, Washington, United States

19 Sep, 2026 (Sat) – 20 Sep, 2026

$60.00 - $175.00

Running

Half-Marathon 12.9K +1

Bellingham Bay Marathon

Bellingham, Washington, United States

20 Sep, 2026 (Sun)

$35.00 - $215.00

Running

Marathon Half-Marathon 10K 5K +2

Quilcene Oyster Races

Quilcene, Washington, United States

20 Sep, 2026 (Sun)

$25.00 - $55.00

Running

Half-Marathon 10K 5K +2

Pacific Coast Running Festival

Long Beach, Washington, United States

26 Sep, 2026 (Sat) – 27 Sep, 2026

$22.00 - $107.00

Running

5K Half-Marathon 10K Marathon +6

Colbert Autumn Classic Half Marathon & 4-Mile Loop

Colbert, Washington, United States

26 Sep, 2026 (Sat)

$25.00 - $50.00

Running

Half-Marathon 6.4K

Medal Madness 5K, 10K & 13.1M at Camas, WA (39)

Camas, Washington, United States

26 Sep, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Medal Madness 5K, 10K, & 13.1M at Spokane, WA (39)

Spokane, Washington, United States

26 Sep, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Oktoberfest Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

26 Sep, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Run for the Gnomes Half Marathon & 5K

Maple Valley, Washington, United States

03 Oct, 2026 (Sat)

$36.00 - $85.00

Running

Half-Marathon 10K

Falla Walla Half Marathon, 10K & Heroes 5K Run

Walla Walla, Washington, United States

03 Oct, 2026 (Sat)

$40.00 - $70.00

Running

Half-Marathon 10K 5K

Haunted 5K, 10K, 13.1M & 26.2M at Everett, WA (40)

Everett, Washington, United States

03 Oct, 2026 (Sat)

Running

5K 10K Half-Marathon

Poulsbo Half Marathon & 10k

Poulsbo, Washington, United States

04 Oct, 2026 (Sun)

$58.00 - $85.00

Running

Half-Marathon 10K