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Half Marathons Found In Washington in December

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Half Marathons in Washington in December 2025

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

Race Calendar: Half Marathons Found In December

🚀Boosted

Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (50) 80

Olympia, Washington
13 Dec 25
$33.80 - $70.90
🚀Boosted

A Merry Christmas Run 5K/10K/13.1 SEATTLE

Seattle, Washington
27 Dec 25
$32.80 - $48.70
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Medal Madness 5K, 10K, & Half Marathon at Langus Riverfront Park, Everett, WA (49) 80

Everett, Washington
06 Dec 25
$33.05 - $70.15

Run for Mental Health 5K/10K/13.1 SEATTLE

Seattle, Washington
13 Dec 25
$32.80 - $48.70

Medal Madness 5K, 10K, & 13.1 at McCollum Park, Everett, WA (50) 80

Everett, Washington
13 Dec 25
$33.05 - $70.15

Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (50) 80

Olympia, Washington
13 Dec 25
$33.80 - $70.90

Run Against Breast Cancer 5K/10K/13.1 SEATTLE

Seattle, Washington
13 Dec 25
$32.80 - $48.70

Santa Runs Tacoma

Tacoma, Washington
13 Dec 25
$49.20 - $81.00

Holiday 5K, 10K, & Half Marathon at Lowell Riverfront Park, Everett, WA (51) 70

Everett, Washington
20 Dec 25
$33.05 - $70.15

Holiday 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (52) 40

Spokane, Washington
27 Dec 25
$33.05 - $70.15

A Merry Christmas Run 5K/10K/13.1 SEATTLE

Seattle, Washington
27 Dec 25
$32.80 - $48.70

New Year's Run 5K/10K/13.1 SEATTLE

Seattle, Washington
27 Dec 25
$32.80 - $48.70

Holiday 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (52) 80

Olympia, Washington
27 Dec 25
$33.80 - $70.90

Last Chance Marathon and Half Marathon

Bellingham, Washington
31 Dec 25
$64.60
Showing 1-12 of 12 results

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