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Half Marathons Found In Washington in October

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Half Marathons in Washington in October 2025

Find A Race is the US's favourite event listings site. Check out our list of October 2025 Half Marathons in Washington below.

Race Calendar: Half Marathons Found In October

🚀Boosted

Tri-Cities Marathon

Richland, Washington
26 Oct 25
$55.00 - $140.00
🚀Boosted

Haunted 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (40) 80

Everett, Washington
04 Oct 25
$27.75 - $70.15
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Haunted 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (40) 80

Everett, Washington
04 Oct 25
$27.75 - $70.15

Poulsbo Half Marathon & 10k

Poulsbo, Washington
05 Oct 25
$54.57 - $81.57

Haunted 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (41) 150

Olympia, Washington
11 Oct 25
$27.75 - $70.15

Girlfriends Run

Vancouver, Washington
12 Oct 25
Free - $101.36

Haunted 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (42) 80

Everett, Washington
18 Oct 25
$27.75 - $70.15

Lake Washington Half Marathon

Kirkland, Washington
18 Oct 25 - 21 Oct 25
$56.73 - $85.89

Haunted 1M, 5K, 10K, 15K, & Half Marathon at Chiawana Park, Pasco, WA (42) 80

Pasco, Washington
18 Oct 25
$27.75 - $70.15

Haunted 1M, 5K, 10K, 15K, & Half Marathon at Liberty Park, Spokane, WA (43) 80

Spokane, Washington
25 Oct 25
$27.75 - $70.15

Tri-Cities Marathon

Richland, Washington
26 Oct 25
$55.00 - $140.00

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

Walla Walla, Washington
11 Oct 25
$54.00 - $75.20
Showing 1-10 of 10 results

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