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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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Olympia Lakefair Races - Half Marathon, 8K & 3K
Olympia, Washington
Sat 18 Jul 26
$49.50 - $88.00
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B & O Half Marathon and 10k
Orting, Washington
Sun 19 Jul 26
$86.86 - $118.66
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Run for PB& J 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 15 Aug 26
$32.80 - $48.70
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Sloth Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 29 Aug 26
$32.80 - $48.70
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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
Bound for Boston Marathon & Half Marathon - Seattle
Olympia, Washington
Sun 14 Jun 26
$49.10 - $114.30
Run Juneteenth Day 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 20 Jun 26
$32.80 - $69.90
Medal Madness 5K, 10K, & 13.1M at Everett, WA (25)
Everett, Washington
Sat 20 Jun 26
$33.80 - $70.90
Snoqualmie Valley Half
Carnation, Washington
Sat 20 Jun 26
$76.17 - $108.57
Tiger Peak Challenge
Issaquah, Washington
Sat 20 Jun 26
Free - $110.73
Sloth Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 20 Jun 26
$32.80 - $69.90
Run for Chocolate 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 04 Jul 26
$32.80 - $64.60
Eagle 5K, 10K & 13.1M Everett, WA (27)
Everett, 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 - $64.60
Eagle 5K, 10K, & 13.1M at Everett, WA (28)
Everett, Washington
Sat 11 Jul 26
$33.80 - $70.90
2026 Run Like the Wind -- Westport 5K, 10K and Half Marathon
Westport, Washington
Sun 12 Jul 26
$38.10 - $64.60
Mount Rainier Trail Events
Enumclaw, Pierce
Fri 17 Jul 26 - Sat 18 Jul 26
$114.00 - $190.00
Olympia Lakefair Races - Half Marathon, 8K & 3K
Olympia, Washington
Sat 18 Jul 26
$49.50 - $88.00
B & O Half Marathon and 10k
Orting, Washington
Sun 19 Jul 26
$86.86 - $118.66
Run for Donuts 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 25 Jul 26
$32.80 - $64.60
Jack & Jill Marathon & Half
North Bend, Washington
Sat 25 Jul 26 - Sun 26 Jul 26
$150.46 - $182.26
Run for Coffee Lovers 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 25 Jul 26
$32.80 - $64.60
Eagle 5K, 10K, & 13.1M at Olympia, WA (30)
Olympia, Washington
Sat 25 Jul 26
$33.80 - $70.90
Galloping Gertie
Gig Harbor, Washington
Sat 01 Aug 26
$58.24 - $108.06
4.0
Craft Classic Seattle
Redmond, Washington
Sun 02 Aug 26
$63.21 - $107.49
Ninja 5K, 10K, & 13.1M at Olympia, WA (32)
Olympia, Washington
Sat 08 Aug 26
$33.80 - $70.90
Race the Reserve Whidbey Island
Coupeville, Washington
Sat 08 Aug 26
$32.80 - $69.90
Ninja 5K, 10K, & 13.1M at Everett, WA (32)
Everett, Washington
Sat 08 Aug 26
$33.80 - $70.90
Twilight at the Bay
University Place, Washington
Sat 15 Aug 26
$46.58 - $88.98
Run for PB& J 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 15 Aug 26
$32.80 - $48.70
Bagel Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 15 Aug 26
$32.80 - $48.70
Ninja 5K, 10K, & 13.1M at Olympia, WA (34)
Olympia, Washington
Sat 22 Aug 26
$33.80 - $70.90
2026 Kirk-Wood Half Marathon
Kirkland, Washington
Sat 22 Aug 26
$91.10
Sloth Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 29 Aug 26
$32.80 - $48.70
Tacoma Narrows Half Marathon / 10K / 5K
Tacoma, Washington
Sat 29 Aug 26
$61.35 - $114.85
Run for Breast Cancer 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 29 Aug 26
$32.80 - $48.70
Iron Horse Half Marathon
North Bend, Washington
Sun 30 Aug 26
$56.73 - $105.33
Redmond Harvest Half Marathon
Redmond, Washington
Mon 07 Sep 26
$59.00
Cascade Express Marathon & Half Marathon
North Bend, Washington
Sat 12 Sep 26
$150.46 - $182.26
National Chocolate Day: Run for Chocolates 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 12 Sep 26
$32.80 - $48.70
Medal Madness 5K, 10K, & 13.1M at Olympia, WA (37)
Olympia, Washington
Sat 12 Sep 26
$33.80 - $70.90
Beat the Blerch
Carnation, Washington
Sat 12 Sep 26
$44.37 - $130.17
Run for Mental Health 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 12 Sep 26
$32.80 - $48.70
Medal Madness 5K, 10K, & 13.1M at Everett, WA (37)
Everett, Washington
Sat 12 Sep 26
$33.80 - $70.90
Showing 1-40 of 83 results
