10K races in Washington, United States — 2026 running calendar

Quilcene Oyster Races

Quilcene, Washington, United States

Sep 20, 2026 (Sun)

$30.00 - $60.00

Running

Half-Marathon 10K 5K +2

Oktoberfest Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

Sep 26, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +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

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

Spokane, Washington, United States

Sep 26, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

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

Camas, Washington, United States

Sep 26, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Run or Wine 5k & 10k - September 2026

Woodinville, Washington, United States

Sep 27, 2026 (Sun)

$35.00 - $60.00

Running

5K 10K +2

Run with the Fishes Annual 5K, 10K, & Kids' Fun Run

Issaquah, Washington, United States

Sep 27, 2026 (Sun)

$25.00 - $45.00

Running

10K 5K 1K

Puyallup Valley Half Marathon and 10K

Puyallup, Washington, United States

Sep 27, 2026 (Sun)

$50.00 - $65.00

Running

21.9K 10K

Longview Early Edition Rotary Harvest Classic

Longview, Washington, United States

Oct 3, 2026 (Sat)

Free - $30.00

Running

5K 10K 0.4K

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

Everett, Washington, United States

Oct 3, 2026 (Sat)

Running

5K 10K Half-Marathon

Spruce Railroad Run/Walk

Port Angeles, Washington, United States

Oct 3, 2026 (Sat) – Dec 6, 2026

$40.00

Running

5K 10K

Run for the Gnomes Half Marathon & 5K

Maple Valley, Washington, United States

Oct 3, 2026 (Sat)

$40.00 - $90.00

Running

Half-Marathon 10K