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

Feb

28

Vancouver Lake Half Marathon & 4 Mile Run

Vancouver, Washington, United States

$25.00 - $40.00

Running

Half-Marathon 6.4K

Mar

06

Brooks Lake Sammamish Half Marathon presented by REI

Redmond, Washington, United States

$50.00 - $80.00

Running

Half-Marathon

Mar

07

Woodinville Half and 10K

Woodinville, Washington, United States

$60.00 - $70.00

Running

Half-Marathon 10K

Mar

13

Run The Green

Kent, Washington, United States

$51.00 - $79.00

Running

Half-Marathon 10K

Mar

13

St. Paddy's Day Run Tacoma

Tacoma, Washington, United States

$50.00 - $95.00

Running

Half-Marathon 10K 5K

Mar

14

Shamrock Shuffle

Spokane, Washington, United States

Free - $95.00

Running

Half-Marathon 10K 5K 0.8K +2

Mar

20

St. Paddy's Day Lucky Run 5K/10K/13.1 Seattle

Seattle, Washington, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Mar

20

Squirrel 5K, 10K, 13.1M at Vancouver, WA (12)

Vancouver, Washington, United States

$30.00 - $65.00

Running

5K 10K Half-Marathon

Mar

27

Always Hope Easter Run Seattle

Seattle, Washington, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Mar

28

Mill Town Half Marathon, 10K and 5K

Everett, Washington, United States

$45.00 - $85.00

Running

Half-Marathon 10K 5K Military or Veteran Half Marathon +2

Apr

03

Yakima River Canyon Marathon and Half-Marathon

Yakima, Washington, United States

$85.00

Running

Half-Marathon Marathon

Apr

10

The Split

Spokane, Washington, United States

Free - $95.00

Running

Half-Marathon 10K 5K 0.7K +3