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

Jan

16

Medal Madness 5K, 10K, 13.1M at Vancouver, WA (03)

Vancouver, Washington, United States

$30.00 - $65.00

Running

5K 10K Half-Marathon

Jan

16

Mlk Jr. Freedom Run 5K/10K/13.1 Seattle

Seattle, Washington, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Jan

30

Medal Madness 5K, 10K, 13.1M at Vancouver, WA (05)

Vancouver, Washington, United States

$30.00 - $65.00

Running

5K 10K Half-Marathon

Jan

30

Coffee Lover Run Seattle

Seattle, Washington, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Feb

05

Richland RunFest

Richland, Washington, United States

$20.00 - $60.00

Running

Half-Marathon 10K 5K +2

Feb

13

Valentine's Day Run 5K/10K/13.1 Seattle

Seattle, Washington, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Feb

13

Woolley Trail Runs

Sedro Woolley, Washington, United States

$65.00

Running

Ultra Marathon Half-Marathon

Feb

14

My Better Half Marathon

Seattle, Washington, United States

$45.00 - $94.00

Running

Half-Marathon 10K 5K

Feb

20

Viking 5K, 10K, 13.1M at Vancouver, WA (08)

Vancouver, Washington, United States

$30.00 - $65.00

Running

5K 10K Half-Marathon

Feb

26

Rock Solid Marathon, Half Marathon

Coupeville, Washington, United States

$85.00 - $125.00

Running

Marathon Half-Marathon

Feb

27

Run For Mental Health Seattle

Seattle, Washington, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Feb

27

Run Together Against Breast Cancer Seattle

Seattle, Washington, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2