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Half Marathons Found In Washington in May
View all ↓Half Marathons in Washington in May 2025
Find A Race is the US's favourite event listings site. Check out our list of May 2025 Half Marathons in Washington below.
Race Calendar: Half Marathons Found In May
Pirate 1M, 5K, 10K, 15K, & Half Marathon at Sarg Hubbard Park, Yakima, WA (5-3-2025)
Yakima, Washington
03 May 25
$27.50 - $69.90
Never Say Never Half Marathon & 10K
Tieton, Washington
03 May 25
$85.80 - $107.00
Kirkland Half Marathon & 5K
Kirkland, Washington
04 May 25
$15.31 - $90.21
Tacoma City Marathon / Half / Ghost / 5K
Tacoma, Washington
04 May 25
$43.90 - $213.50
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (5-10-2025)
Olympia, Washington
10 May 25
$27.50 - $69.90
San Juan Island Half
Friday Harbor, Washington
10 May 25
$18.37 - $111.81
Reflection Run
Washougal, Washington
18 May 25
$56.00 - $99.20
Windermere Marathon and Events
Spokane, Washington
18 May 25
$27.50 - $112.30
Capital City Marathon
Olympia, Washington
18 May 25
Free - $92.37
Soaring Eagle Trail Run
Sammamish, Washington
31 May 25
Free - $68.61
Snohomish Women's Run
Everett, Washington
10 May 25
$52.94 - $95.34
Big River
Pasco, Washington
31 May 25
Free - $59.30
Showing 1-12 of 12 results