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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
🚀Boosted
Memorial Day Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 23 May 26
$32.80 - $48.70
🚀Boosted
Haunted 5K, 10K, & 13.1M at Everett WA (41)
Everett, Washington
Sat 10 Oct 26
$33.80 - $70.90
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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
Viking 5K, 10K, & 13.1M at Olympia, WA (09)
Olympia, Washington
Sat 28 Feb 26
$33.80 - $70.90
SuperHeroes Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 07 Mar 26
$32.80 - $54.00
Run for Mental Health 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 07 Mar 26
$32.80 - $54.00
Brooks Lake Sammamish Half Marathon presented by REI
Redmond, Washington
Sat 07 Mar 26
$56.73 - $106.41
Medal Madness 5K, 10K, 13.1M, & 26.2M at Everett, WA (10)
Everett, Washington
Sat 07 Mar 26
$33.80 - $97.40
Sloth Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 14 Mar 26
$32.80 - $64.60
Medal Madness 5K, 10K, & 13.1M at Olympia, WA (11)
Olympia, Washington
Sat 14 Mar 26
$33.80 - $70.90
St. Paddy's Day Run Tacoma
Tacoma, Washington
Sat 14 Mar 26
$77.40 - $120.20
St. Paddy's Day Lucky Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 14 Mar 26
$32.80 - $64.60
Run The Green
Kent, Washington
Sat 14 Mar 26
$62.13 - $89.13
Medal Madness 5K, 10K, 13.1, & 26.2 at Everett, WA (12)
Everett, Washington
Sat 21 Mar 26
$33.80 - $97.40
Dash Point Trail Run
Federal Way, Washington
Sat 21 Mar 26
Free - $78.33
Medal Madness 5K, 10K, & 13.1M at Olympia, WA (13)
Olympia, Washington
Sat 28 Mar 26
$33.80 - $70.90
Always Hope Easter Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 04 Apr 26
$32.80 - $64.60
Run for Breast Cancer 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 04 Apr 26
$32.80 - $64.60
Always Hope Easter Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 04 Apr 26
$32.80 - $48.70
Pirate 5K, 10K, & 13.1M at Olympia, WA (15)
Olympia, Washington
Sat 11 Apr 26
$33.80 - $70.90
Pirate 5K, 10K, & 13.1M at Everett, WA (15)
Everett, Washington
Sat 11 Apr 26
$33.80 - $70.90
Seattle Cherry Blossom Run
Seattle, Washington
Sat 18 Apr 26
$38.53 - $133.75
Earth Day Run
Seattle, Washington
Sat 18 Apr 26
$34.92 - $60.36
Pirate 5K, 10K, 13.1M, & 26.2M at Everett, WA (16)
Everett, Washington
Sat 18 Apr 26
$33.80 - $97.40
Bremerton Marathon
Bremerton, Kitsap
Sat 18 Apr 26
$85.00 - $95.00
Run for Donuts 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 25 Apr 26
$32.80 - $54.00
Coffee Lovers Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 25 Apr 26
$32.80 - $54.00
Whidbey Island Marathon
Oak Harbor, Washington
Sun 26 Apr 26
$23.52 - $105.72
Cinco De Mayo Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 02 May 26
$32.80 - $48.70
Never Say Never Half Marathon & 10K
Tieton, Washington
Sat 02 May 26
$96.40 - $122.90
Tacoma City Marathon / Half / Ghost / 10K / 5K / 1K
Tacoma, Washington
Sat 02 May 26 - Sun 03 May 26
$13.20 - $294.00
Sunrise Marathon 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 Everett, WA (19)
Everett, Washington
Sat 09 May 26
$33.80 - $70.90
Snohomish Women's Run
Everett, Washington
Sat 09 May 26 - Sun 09 Aug 26
$46.58 - $94.28
Luau 5K, 10K, & 13.1M at Olympia, WA (19)
Olympia, Washington
Sat 09 May 26
$33.80 - $70.90
San Juan Island Half
Friday Harbor, Washington
Sat 09 May 26
$18.37 - $122.61
Luau 5K, 10K, & 13.1M at Everett, WA (20)
Everett, 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
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
Showing 1-40 of 124 results
