Half Marathons in Washington in October 2025

Haunted 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (41)

Olympia, Washington

11 Oct 25

$27.50 - $69.90

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Girlfriends Run

Vancouver, Washington

12 Oct 25

$56.00 - $542.00

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Haunted 1M, 5K, 10K, 15K, & Half Marathon at Liberty Park, Spokane, WA (43)

Spokane, Washington

25 Oct 25

$27.50 - $69.90

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Tri-Cities Marathon

Richland, Washington

26 Oct 25

$55.00 - $140.00

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Poulsbo Half Marathon & 10k

Poulsbo, Washington

05 Oct 25

$42.33 - $68.61

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Lake Washington Half Marathon

Kirkland, Washington

18 Oct 25 - 21 Oct 25

$54.57 - $83.73

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