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Half Marathons Found In Washington in May

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Half Marathons in Washington in May 2026

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

Race Calendar: Half Marathons Found In May

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Windermere Marathon

Spokane, Washington
Sat 09 May 26 - Sun 24 May 26
Free - $96.40
🚀Boosted

Luau 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (21) 50

Spokane, Washington
Sat 23 May 26
$33.80 - $70.90
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Tacoma City Marathon / Half / Ghost / 5K / 10K

Tacoma, Washington
Sat 02 May 26 - Sun 03 May 26
$39.95 - $189.75

Luau 5K, 10K, & Half Marathon at Langus Riverfront Park, Everett, WA (18) 80

Everett, Washington
Sat 02 May 26
$33.80 - $70.90

Never Say Never Half Marathon & 10K

Tieton, Washington
Sat 02 May 26
$96.40 - $122.90

Sunrise Marathon 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 02 May 26
$32.80 - $48.70

Cinco De Mayo Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 02 May 26
$32.80 - $48.70

Kirkland Half Marathon & 5K

Kirkland, Washington
Sun 03 May 26
$15.31 - $86.97

Luau 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (19) 80

Olympia, Washington
Sat 09 May 26
$33.80 - $70.90

Windermere Marathon

Spokane, Washington
Sat 09 May 26 - Sun 24 May 26
Free - $96.40

Luau 5K, 10K, & Half Marathon at McCollum Park, Everett, WA (19S40)

Everett, Washington
Sat 09 May 26
$33.80 - $70.90

San Juan Island Half

Friday Harbor, Washington
Sat 09 May 26
$18.37 - $106.41

Luau 5K, 10K, & Half Marathon at Chiawana Park, Pasco, WA (20) 80

Pasco, Washington
Sat 16 May 26
$33.80 - $70.90

Capital City Marathon

Olympia, Washington
Sat 16 May 26 - Sun 17 May 26
Free - $54.57

Luau 5K, 10K, & Half Marathon at Lowell Riverfront Park, Everett, WA (20) 80

Everett, Washington
Sat 16 May 26
$33.80 - $70.90

Reflection Run

Washougal, Washington
Sun 17 May 26
$46.28 - $70.04
5.0

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

Seattle, Washington
Sat 23 May 26
$32.80 - $48.70

Luau 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (21) 80

Olympia, Washington
Sat 23 May 26
$33.80 - $70.90

Luau 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (21) 50

Spokane, Washington
Sat 23 May 26
$33.80 - $70.90

Run the 509

Deer Park, Washington
Sun 31 May 26
$16.90 - $54.00

Big River Race

Pasco, Washington
Sat 30 May 26
Free - $59.30
Showing 1-19 of 19 results

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