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

Oct

03

Falla Walla Half Marathon, 10K & Heroes 5K Run

Walla Walla, Washington, United States

$40.00 - $70.00

Running

Half-Marathon 10K 5K

Oct

03

Haunted 5K, 10K, 13.1M & 26.2M at Everett, WA (40)

Everett, Washington, United States

Running

5K 10K Half-Marathon

Oct

03

Run for the Gnomes Half Marathon & 5K

Maple Valley, Washington, United States

$44.00 - $95.00

Running

Half-Marathon 10K

Oct

04

Poulsbo Half Marathon & 10k

Poulsbo, Washington, United States

$78.00 - $105.00

Running

Half-Marathon 10K

Oct

10

Fall Classic

Tacoma, Washington, United States

$15.00 - $75.00

Running

5K Half-Marathon +1

Oct

10

Haunted 5K, 10K & 13.1M at Olympia, WA (41)

Olympia, Washington, United States

$30.00 - $65.00

Running

5K 10K Half-Marathon

Oct

10

Haunted 5K, 10K, & 13.1M at Everett WA (41)

Everett, Washington, United States

$30.00 - $65.00

Running

5K 10K Half-Marathon

Oct

10

Coffee Lovers Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Oct

10

Haunted 5K, 10K & 13.1M at Camas, WA (41)

Camas, Washington, United States

$30.00 - $65.00

Running

5K 10K Half-Marathon

Oct

11

Sun City Barry James Memorial 5K and Half Marathon

Yakima, Washington, United States

$15.00 - $20.00

Running

5K Half-Marathon +2

Oct

11

The Snohomish River Run Marathon, Half Marathon, 10K and 5K

Snohomish, Washington, United States

$55.00 - $115.00

Running

5K 10K Half-Marathon Marathon

Oct

11

The Spokane Marathon

Spokane, Washington, United States

Free - $135.00

Running

Marathon Half-Marathon 10K 0.5K +1