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Half Marathons Found In Washington in Spring

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Half Marathons in Washington in Spring 2026

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

Race Calendar: Half Marathons Found In Spring

🚀Boosted

Whidbey Island Marathon

Oak Harbor, Washington
Sun 26 Apr 26
$23.52 - $105.72
🚀Boosted

SuperHeroes Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 07 Mar 26
$32.80 - $48.70
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Kirkland Half Marathon & 5K

Kirkland, Washington
Sun 03 May 26
$15.31 - $97.77

San Juan Island Half

Friday Harbor, Washington
Sat 09 May 26
$18.37 - $122.61

Snohomish Women's Run

Everett, Washington
Sat 09 May 26
$46.58 - $94.28

Luau 5K, 10K, & 13.1M at Everett, WA (19)

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

Luau 5K, 10K, & 13.1M at Olympia, WA (19)

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

Luau 5K, 10K, & 13.1M at Pasco, WA (20)

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

Capital City Marathon

Olympia, Washington
Sat 16 May 26 - Sun 17 May 26
Free - $119.37

Soaring Eagle Trail Run

Sammamish, Washington
Sat 16 May 26
Free - $68.61

Windermere Marathon

Spokane, Washington
Sun 17 May 26
Free - $122.90

Reflection Run

Washougal, Washington
Sun 17 May 26
$56.00 - $105.68
5.0

Luau 5K, 10K, & 13.1M at Camas, WA (21)

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

Luau 5K, 10K, & 13.1M at Spokane, WA (21)

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

Memorial Day Run 5K/10K/13.1 SEATTLE

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

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

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

Luau 5K, 10K, & 13.1M at Olympia, WA (21)

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

Spring - Mud Mountain Dam Marathon & Half Marathon

Enumclaw, Washington
Sat 30 May 26
$93.45 - $98.80

Echo Valley

Chelan, Washington
Sat 30 May 26
Free - $118.29

Big River Race

Pasco, Washington
Sat 30 May 26
Free - $59.30

Run the 509

Deer Park, Washington
Sun 31 May 26
$27.50 - $75.20
Showing 41-59 of 59 results
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