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

Aug

22

Popsicle 5K/10K/Half - Richland

Richland, Washington, United States

Running

5K 10K Half-Marathon +5

Aug

22

Children of the Sun Half Marathon

Spokane, Washington, United States

Running

Half-Marathon 10K 5K

Aug

22

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

Camas, Washington, United States

Running

5K 10K Half-Marathon

Aug

20

Seattle for ONETrack International: Virtual 5k/10k

Bellevue, Washington, United States

Running

5K 10K

Aug

16

Sundae Runday

Seattle, Washington, United States

Running Walking

10K 5K 3.7K

Aug

15

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

Vancouver, Washington, United States

Running

5K 10K Half-Marathon

Aug

15

Popsicle 5K/10K/Half - Portland (Washougal)

Washougal, Washington, United States

Running

5K 10K Half-Marathon +5

Aug

15

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

Everett, Washington, United States

Running

5K 10K Half-Marathon

Aug

15

Twilight at the Bay

University Place, Washington, United States

Running

Half-Marathon 10K 5K

Aug

15

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

Pasco, Washington, United States

Running

5K 10K Half-Marathon

Aug

15

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

Seattle, Washington, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

15

Cookie Run 5K/10K/13.1 Seattle

Seattle, Washington, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8