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

Children of the Sun Half Marathon

Spokane, Washington, United States

Aug 22, 2026 (Sat)

$29.00 - $49.00

Running

Half-Marathon 10K 5K

Ninja 5K, 10K, & 13.1M at Spokane, WA (34)

Spokane, Washington, United States

Aug 22, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Ninja 5K, 10K, & 13.1M at Camas, WA (34)

Camas, Washington, United States

Aug 22, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Run A Muk 5k/10k

Mukilteo, Washington, United States

Aug 22, 2026 (Sat)

Free - $47.00

Running

5K 10K +1

Run to Breast Cancer 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

Aug 29, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Summer Spirit Run

Seattle, Washington, United States

Aug 29, 2026 (Sat)

$32.00 - $56.00

Running, Obstacle race

5K 10K 15K

Medal Madness 5K, 10K, 13.1M at Vancouver, WA (35)

Vancouver, Washington, United States

Aug 29, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Tacoma Narrows Half Marathon / 10K / 5K

Tacoma, Washington, United States

Aug 29, 2026 (Sat)

$60.00 - $65.00

Running

10K 5K

Medal Madness 5K, 10K, 13.1M & 26.2M at Everett, WA (36)

Everett, Washington, United States

Sep 5, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

March for the Fallen 2026

Nine Mile Falls, Washington, United States

Sep 12, 2026 (Sat)

$30.00

Running

5K 10K 15.6K +2

Medal Madness 5K, 10K, & 13.1M at Olympia, WA (37)

Olympia, Washington, United States

Sep 12, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Beat the Blerch

Carnation, Washington, United States

Sep 12, 2026 (Sat)

$40.00 - $120.00

Running

5K 10K Half-Marathon Marathon