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

Oct

17

Lake Washington Half Marathon

Kirkland, Washington, United States

$93.00

Running

Half-Marathon

Oct

17

Haunted 5K, 10K, & 13.1M at Pasco, WA (42)

Pasco, Washington, United States

$30.00 - $65.00

Running

5K 10K Half-Marathon

Oct

17

Haunted 5K, 10K & 13.1M at Everett, WA (42)

Everett, Washington, United States

$30.00 - $65.00

Running

5K 10K Half-Marathon

Oct

17

Haunted 5K, 10K, 13.1M at Vancouver, WA (42)

Vancouver, Washington, United States

$30.00 - $65.00

Running

5K 10K Half-Marathon

Oct

17

The Salty Half and 10K too!

Seattle, Washington, United States

$39.00

Running

Half-Marathon 10K

Oct

18

Girlfriends Run

Vancouver, Washington, United States

Free - $99.00

Running Walking

6.4K 10K Half-Marathon 7.2K +9

Oct

24

Haunted 5K, 10K, & 13.1M at Spokane, WA (43)

Spokane, Washington, United States

$30.00 - $65.00

Running

5K 10K Half-Marathon

Oct

24

Haunted 5K, 10K, & 13.1M at Olympia, WA (43)

Olympia, Washington, United States

$30.00 - $65.00

Running

5K 10K Half-Marathon

Oct

24

Haunted 5K, 10K & 13.1M at Camas, WA (43)

Camas, Washington, United States

$30.00 - $65.00

Running

5K 10K Half-Marathon

Oct

25

Tri-Cities Marathon

Richland, Washington, United States

$75.00 - $180.00

Running

Marathon Half-Marathon

Oct

31

Halloween Trick or Trot Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Oct

31

PB&J Fuel Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2