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

Run A Muk 5k/10k

Mukilteo, Washington, United States

22 Aug, 2026 (Sat)

Free - $42.00

Running

5K 10K +1

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

Camas, Washington, United States

22 Aug, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

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

Spokane, Washington, United States

22 Aug, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

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

Olympia, Washington, United States

22 Aug, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Children of the Sun Half Marathon

Spokane, Washington, United States

22 Aug, 2026 (Sat)

$29.00 - $49.00

Running

Half-Marathon 10K 5K

Summer Spirit Run

Seattle, Washington, United States

29 Aug, 2026 (Sat)

$32.00 - $56.00

Running, Obstacle race

5K 10K 15K

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

Seattle, Washington, United States

29 Aug, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Tacoma Narrows Half Marathon / 10K / 5K

Tacoma, Washington, United States

29 Aug, 2026 (Sat)

$55.00 - $60.00

Running

10K 5K

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

Everett, Washington, United States

05 Sep, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

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

Olympia, Washington, United States

12 Sep, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Oktoberfest Fly Away 10K Run & 5K Run/Walk

Kenmore, Washington, United States

12 Sep, 2026 (Sat)

$40.00 - $50.00

Running

5K 10K

Beat the Blerch

Carnation, Washington, United States

12 Sep, 2026 (Sat)

$40.00 - $120.00

Running

5K 10K Half-Marathon Marathon