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Half Marathons Found In Seattle, Washington
View all ↓Half Marathons in & near Seattle, Washington 2026 - 2027
The most comprehensive list of Half Marathons in and near Seattle, Washington in 2026 - 2027. Find your perfect race!
Race Calendar: Half Marathons Found In Seattle, Washington
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Medal Madness 5K, 10K, & 13.1M at Olympia, WA (26)
Olympia, Washington
Sat 27 Jun 26
$33.80 - $70.90
🚀Boosted
Spring - Mud Mountain Dam Marathon & Half Marathon
Enumclaw, Washington
Sat 30 May 26
$93.45 - $98.80
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Never Say Never Half Marathon & 10K
Tieton, Washington
Sat 02 May 26
$96.40 - $122.90
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 - $97.77
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 Everett, WA (19)
Everett, Washington
Sat 09 May 26
$33.80 - $70.90
Snohomish Women's Run
Everett, Washington
Sat 09 May 26
$46.58 - $94.28
San Juan Island Half
Friday Harbor, Washington
Sat 09 May 26
$18.37 - $122.61
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
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
Memorial Day Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 23 May 26
$32.80 - $48.70
Spring - Mud Mountain Dam Marathon & Half Marathon
Enumclaw, Washington
Sat 30 May 26
$93.45 - $98.80
SuperHeroes Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 06 Jun 26
$32.80 - $48.70
North Olympic Discovery Marathon (5K / 10K/ Half / Full / Relay / Kids Marathon)
Port Angeles, Washington
Sat 06 Jun 26 - Wed 29 Jul 26
$16.90 - $368.50
Run for Breast Cancer 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 06 Jun 26
$32.80 - $48.70
The Great Ferry Race
Bainbridge Island, Washington
Sun 07 Jun 26
$102.09
Super Hyak Marathon and Half
North Bend, Washington
Sat 13 Jun 26
$137.74 - $169.54
Medal Madness 5K, 10K, & 13.1M at Olympia, WA (24)
Olympia, Washington
Sat 13 Jun 26
$33.80 - $70.90
Medal Madness 5K, 10K, & 13.1M at Everett, WA (24)
Everett, Washington
Sat 13 Jun 26
$33.80 - $70.90
Bound for Boston Marathon & Half Marathon - Seattle
Olympia, Washington
Sun 14 Jun 26
$49.10 - $102.70
Run Juneteenth Day 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 20 Jun 26
$32.80 - $48.70
Tiger Peak Challenge
Issaquah, Washington
Sat 20 Jun 26
Free - $110.73
Snoqualmie Valley Half
Carnation, Washington
Sat 20 Jun 26
$59.97 - $92.37
Sloth Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 20 Jun 26
$32.80 - $48.70
Medal Madness 5K, 10K, & 13.1M at Olympia, WA (26)
Olympia, Washington
Sat 27 Jun 26
$33.80 - $70.90
Eagle 5K, 10K, & 13.1M at Olympia, WA (27)
Olympia, Washington
Sat 04 Jul 26
$33.80 - $70.90
July 4th Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 04 Jul 26
$32.80 - $48.70
Run for Chocolate 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 04 Jul 26
$32.80 - $48.70
Eagle 5K, 10K, & 13.1M at Everett, WA (28)
Everett, Washington
Sat 11 Jul 26
$33.80 - $70.90
Olympia Lakefair Races - Half Marathon, 8K & 3K
Olympia, Washington
Sat 18 Jul 26
$44.00 - $77.00
B & O Half Marathon and 10k
Orting, Washington
Sun 19 Jul 26
$63.54 - $95.34
Run for Coffee Lovers 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 25 Jul 26
$32.80 - $48.70
Eagle 5K, 10K, & 13.1M at Olympia, WA (30)
Olympia, Washington
Sat 25 Jul 26
$33.80 - $70.90
Run for Donuts 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 25 Jul 26
$32.80 - $48.70
Jack & Jill Downhill Marathon, Half Marathon Washington
North Bend, Washington
Sat 25 Jul 26 - Sun 26 Jul 26
$150.46 - $182.26
Galloping Gertie
Gig Harbor, Washington
Sat 01 Aug 26
$52.94 - $95.34
4.0
Craft Classic Seattle
Redmond, Washington
Sun 02 Aug 26
$47.43 - $96.69
Ninja 5K, 10K, & 13.1M at Everett, WA (32)
Everett, Washington
Sat 08 Aug 26
$33.80 - $70.90
Ninja 5K, 10K, & 13.1M at Olympia, WA (32)
Olympia, Washington
Sat 08 Aug 26
$33.80 - $70.90
Showing 41-80 of 125 results
