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

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

Everett, Washington, United States

10 Oct, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

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

Camas, Washington, United States

10 Oct, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Coffee Lovers Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

10 Oct, 2026 (Sat) – 28 Nov, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

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

Olympia, Washington, United States

10 Oct, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

The Spokane Marathon

Spokane, Washington, United States

11 Oct, 2026 (Sun)

Free - $125.00

Running

Marathon Half-Marathon 10K 0.5K +1

Sun City Barry James Memorial 5K and Half Marathon

Yakima, Washington, United States

11 Oct, 2026 (Sun)

$15.00 - $20.00

Running

5K Half-Marathon +2

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

Snohomish, Washington, United States

11 Oct, 2026 (Sun)

$50.00 - $105.00

Running

5K 10K Half-Marathon Marathon

Lake Washington Half Marathon

Kirkland, Washington, United States

17 Oct, 2026 (Sat)

$88.00

Running

Half-Marathon

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

Everett, Washington, United States

17 Oct, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

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

Pasco, Washington, United States

17 Oct, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Girlfriends Run

Vancouver, Washington, United States

18 Oct, 2026 (Sun)

Free - $99.00

Running, Walking

6.4K 10K Half-Marathon 7.2K +9

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

Olympia, Washington, United States

24 Oct, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon