Half-Marathon races in Washington, United States — 2026 running calendar

Aug

22

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

Spokane, Washington, United States

Running

5K 10K Half-Marathon

Aug

22

Children of the Sun Half Marathon

Spokane, Washington, United States

Running

Half-Marathon 10K 5K

Aug

22

Kirk-Wood Half Marathon

Kirkland, Washington, United States

Running

Half-Marathon

Aug

22

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

Camas, Washington, United States

Running

5K 10K Half-Marathon

Aug

22

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

Olympia, Washington, United States

Running

5K 10K Half-Marathon

Aug

22

Popsicle 5K/10K/Half - Richland

Richland, Washington, United States

Running

5K 10K Half-Marathon +5

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

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

Pasco, 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 Vancouver, WA (33)

Vancouver, Washington, United States

Running

5K 10K Half-Marathon

Aug

15

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

Everett, Washington, United States

Running

5K 10K Half-Marathon

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