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

Oct

02

Run for the Gnomes Half Marathon & 5K

Maple Valley, Washington, United States

$32.00 - $80.00

Running

Half-Marathon 10K

Oct

17

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

Snohomish, Washington, United States

$45.00 - $85.00

Running

5K 10K Half-Marathon Marathon

Oct

18

Girlfriends Run

Vancouver, Washington, United States

Running Walking

6.4K 10K Half-Marathon 7.2K +9

Oct

18

Alaska Airlines Dawg Dash 5K/10K

Seattle, Washington, United States

Running

10K 5K 1K +5

Oct

18

I Can And I Will Run!

Seattle, Washington, United States

Running

10K 5K 1.6K

Oct

17

Haunted 5K, 10K, & 13.1M at Pasco, WA (42)

Pasco, Washington, United States

Running

5K 10K Half-Marathon

Oct

17

The Salty Half and 10K too!

Seattle, Washington, United States

Running

Half-Marathon 10K

Oct

17

Haunted 5K, 10K & 13.1M at Everett, WA (42)

Everett, Washington, United States

Running

5K 10K Half-Marathon

Oct

17

Harvest Hustle 5k/10k

Othello, Washington, United States

Running

10K 5K

Oct

17

2026 Race for Campus Safety - Pullman, Washington

Pullman, Washington, United States

Running

1K 5K 10K +1

Oct

17

Haunted 5K, 10K, 13.1M at Vancouver, WA (42)

Vancouver, Washington, United States

Running

5K 10K Half-Marathon

Oct

11

Pumpkin Spice Run

Seattle, Washington, United States

Running

10K 5K 1.6K