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

Columbia River Triathlon

Vancouver, Washington, United States

07 Aug, 2026 (Fri) – 08 Aug, 2026

$50.00 - $67.00

Running

5K 10K

Ninja 5K, 10K, & 13.1M at Everett, WA (32)

Everett, Washington, United States

08 Aug, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Ninja 5K, 10K, & 13.1M at Olympia, WA (32)

Olympia, Washington, United States

08 Aug, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Race the Reserve Whidbey Island

Coupeville, Washington, United States

08 Aug, 2026 (Sat)

$40.00 - $75.00

Running

5K 10K Half-Marathon

Ninja 5K, 10K, & 13.1M at Camas, WA (32)

Camas, Washington, United States

08 Aug, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

17th Lake Union 10K Run/Walk

Seattle, Washington, United States

09 Aug, 2026 (Sun)

$73.00

Running

10K

Ninja 5K, 10K, 13.1M at Pasco, WA (33)

Pasco, Washington, United States

15 Aug, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Ninja 5K, 10K & 13.1M at Everett, WA (33)

Everett, Washington, United States

15 Aug, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Twilight at the Bay

University Place, Washington, United States

15 Aug, 2026 (Sat)

$48.00 - $88.00

Running

Half-Marathon 10K 5K

Bagel Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

15 Aug, 2026 (Sat) – 10 Oct, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Run for PB& J 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

15 Aug, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Sundae Runday

Seattle, Washington, United States

16 Aug, 2026 (Sun)

$45.00 - $50.00

Running, Walking

10K 5K 3.7K