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Half Marathons Found In Washington in October

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Half Marathons in Washington in October 2026

Find A Race is the US's favourite event listings site. Check out our list of October 2026 Half Marathons in Washington below.

Race Calendar: Half Marathons Found In October

🚀Boosted

Coffee Lovers Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 10 Oct 26
$32.80 - $48.70
🚀Boosted

Bagel Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 10 Oct 26
$32.80 - $48.70
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Run for the Gnomes Half Marathon & 5K

Maple Valley, Washington
Sat 03 Oct 26
$34.92 - $85.80

Poulsbo Half Marathon & 10k

Poulsbo, Washington
Sun 04 Oct 26
$52.53 - $81.57

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

Everett, Washington
Sat 10 Oct 26
$33.80 - $70.90

Bagel Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 10 Oct 26
$32.80 - $48.70

Coffee Lovers Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 10 Oct 26
$32.80 - $48.70

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

Olympia, Washington
Sat 10 Oct 26
$33.80 - $70.90

The Spokane Marathon

Spokane, Washington
Sun 11 Oct 26
Free - $117.60

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

Everett, Washington
Sat 17 Oct 26
$33.80 - $70.90

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

Pasco, Washington
Sat 17 Oct 26
$33.80 - $70.90

Lake Washington Half Marathon

Kirkland, Washington
Sat 17 Oct 26
$56.73 - $84.81

Girlfriends Run

Vancouver, Washington
Sun 18 Oct 26
Free - $95.96

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

Camas, Washington
Sat 24 Oct 26
$33.80 - $70.90

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

Spokane, Washington
Sat 24 Oct 26
$33.80 - $70.90

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

Olympia, Washington
Sat 24 Oct 26
$33.80 - $70.90

Tri-Cities Marathon

Richland, Washington
Sun 25 Oct 26
$55.00 - $140.00

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

Seattle, Washington
Sat 31 Oct 26
$32.80 - $48.70

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

Everett, Washington
Sat 03 Oct 26
$33.80 - $102.70

Sun City Barry James Memorial 5K and Half Marathon

Yakima, Washington
Sun 11 Oct 26
$16.90 - $22.20
Showing 1-18 of 18 results

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