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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

Memorial Day Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 23 May 26
$32.80 - $64.60
🚀Boosted

Soaring Eagle Trail Run

Sammamish, Washington
Sat 16 May 26
Free - $68.61
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Three Lakes Triathlons and Kings Market San Juan Island Runs

Friday Harbor, Washington
Sun 15 Feb 26 - Sat 20 Jun 26
$59.30 - $244.80

San Juan Island Half

Friday Harbor, Washington
Sat 09 May 26
$18.37 - $133.41

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

Snohomish Women's Run

Everett, Washington
Sat 09 May 26
$48.70 - $110.18

Super Mom 5K/10K/Half Marathon - Portland (Washougal)

Washougal, Washington
Sun 10 May 26
$33.60 - $65.20

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

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

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

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

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

Windermere Marathon

Spokane, Washington
Sun 17 May 26
Free - $133.50

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

Camas, 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 - $64.60

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

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

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

Seattle, Washington
Sat 23 May 26
$32.80 - $64.60

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

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

Echo Valley

Chelan, Washington
Sat 30 May 26
Free - $118.29

Big River Race

Pasco, Washington
Sat 30 May 26
Free - $69.90

Spring - Mud Mountain Dam Marathon & Half Marathon

Enumclaw, Washington
Sat 30 May 26
$109.50 - $120.20

Run the 509

Deer Park, Washington
Sun 31 May 26
$38.10 - $101.70
Showing 1-20 of 20 results

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