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

Aug

08

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

Camas, Washington, United States

Running

5K 10K Half-Marathon

Aug

01

Run Like a Viking Virtual Challenge 5K/10K/Half Marathon

Seattle, Washington, United States

Running

8K 16.1K Half-Marathon

Aug

01

Ninja 5K, 10K & 13.1M at Everett, WA (31)

Everett, Washington, United States

Running

5K 10K Half-Marathon

Jul

25

Run for Donuts 5K/10K/13.1 Seattle

Seattle, Washington, United States

Running

5K 10K Half-Marathon 1.6K +8

Jul

25

Eagle 5K, 10K, & 13.1M at Olympia, WA (30)

Olympia, Washington, United States

Running

5K 10K Half-Marathon

Jul

25

Eagle 5K, 10K, & 13.1M, Spokane, WA, (30)

Spokane, Washington, United States

Running

5K 10K Half-Marathon

Jul

25

Run for Coffee Lovers 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

Running

5K 10K Half-Marathon 1.6K +2

Jul

25

Eagle 5K, 10K, & 13.1M at Camas, WA (30)

Camas, Washington, United States

Running

5K 10K Half-Marathon

Jul

19

B & O Half Marathon and 10k

Orting, Washington, United States

Running

Half-Marathon 10K

Jul

18

Christmas 5K/10K/Half Marathon in July - Spokane

Spokane, Washington, United States

Running

5K 10K Half-Marathon +2

Jul

18

Olympia Lakefair Races - Half Marathon, 8K & 3K

Olympia, Washington, United States

Running

Half-Marathon 8K 3K

Jul

18

Eagle 5K, 10K, & 13.1M at Everett, WA (29)

Everett, Washington, United States

Running

5K 10K Half-Marathon