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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
Halloween Trick or Trot Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 31 Oct 26
$32.80 - $48.70
🚀Boosted
Run the Bay
University Place, Washington
Sun 08 Nov 26
$51.88 - $94.28
5.0
🚀Boosted
Run for Mental Health 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 14 Nov 26
$32.80 - $48.70
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2026 Kirk-Wood Half Marathon
Kirkland, Washington
Sat 22 Aug 26
$85.80
Ninja 5K, 10K, & 13.1M at Olympia, WA (34)
Olympia, Washington
Sat 22 Aug 26
$33.80 - $70.90
Run for Breast Cancer 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 29 Aug 26
$32.80 - $69.90
Sloth Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 29 Aug 26
$32.80 - $69.90
Tacoma Narrows Half Marathon / 10K / 5K
Tacoma, Washington
Sat 29 Aug 26
$72.05 - $136.25
Iron Horse Half Marathon
North Bend, Washington
Sun 30 Aug 26
$56.73 - $116.13
Medal Madness 5K, 10K, 13.1M & 26.2M at Everett, WA (36)
Everett, Washington
Sat 05 Sep 26
$33.80 - $102.70
Redmond Harvest Half Marathon
Redmond, Washington
Mon 07 Sep 26
$75.00
Medal Madness 5K, 10K, & 13.1M at Everett, WA (37)
Everett, Washington
Sat 12 Sep 26
$33.80 - $70.90
Medal Madness 5K, 10K, & 13.1M at Olympia, WA (37)
Olympia, Washington
Sat 12 Sep 26
$33.80 - $70.90
National Chocolate Day: Run for Chocolates 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 12 Sep 26
$32.80 - $54.00
Cascade Express Marathon & Half Marathon
North Bend, Washington
Sat 12 Sep 26
$150.46 - $182.26
Run for Mental Health 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 12 Sep 26
$32.80 - $54.00
Beat the Blerch
Carnation, Washington
Sat 12 Sep 26
$44.37 - $130.17
16th Annual Race For A Soldier Half Marathon, 10K & 5K, Virtual Run, and Kids Run
Gig Harbor, Washington
Sun 13 Sep 26
$17.37 - $96.72
Skagit Flats Marathon, Half & 5k
Burlington, Washington
Sun 13 Sep 26
$32.80 - $101.70
Fall - Mud Mountain Dam Marathon & Half Marathon
Enumclaw, Washington
Sat 19 Sep 26
$109.50 - $120.20
Anacortes Half Marathon & 5k
Anacortes, Washington
Sat 19 Sep 26
$34.92 - $64.07
5.0
Medal Madness 5K, 10K & 13.1M at Everett, WA (38)
Everett, Washington
Sat 19 Sep 26
$33.80 - $70.90
The Brooks Orca Half Marathon presented by REI
Seattle, Washington
Sat 19 Sep 26 - Sun 20 Sep 26
$65.37 - $198.21
Quilcene Oyster Races
Quilcene, Washington
Sun 20 Sep 26
Free - $64.60
Bellingham Bay Marathon
Bellingham, Washington
Sun 20 Sep 26
$45.44 - $259.16
Fidalgo Trail Run
Anacortes, Washington
Sat 26 Sep 26
Free - $99.93
Oktoberfest Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 26 Sep 26
$32.80 - $54.00
Run for Donuts 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 26 Sep 26
$32.80 - $54.00
Run for the Gnomes Half Marathon & 5K
Maple Valley, Washington
Sat 03 Oct 26
$34.92 - $85.80
Poulsbo Half Marathon & 10k
Poulsbo, Washington
Sun 04 Oct 26
$63.21 - $92.37
Haunted 5K, 10K & 13.1M at Olympia, WA (41)
Olympia, Washington
Sat 10 Oct 26
$33.80 - $70.90
Bagel Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 10 Oct 26
$32.80 - $48.70
Coffee Lovers Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 10 Oct 26
$32.80 - $48.70
Haunted 5K, 10K, & 13.1M at Everett WA (41)
Everett, Washington
Sat 10 Oct 26
$33.80 - $70.90
2026 The Snohomish River Run Marathon, Half Marathon, 10K and 5K
Snohomish, Washington
Sun 11 Oct 26
$59.30 - $122.90
Haunted 5K, 10K & 13.1M at Everett, WA (42)
Everett, Washington
Sat 17 Oct 26
$33.80 - $70.90
Lake Washington Half Marathon
Kirkland, Washington
Sat 17 Oct 26
$56.73 - $95.61
Haunted 5K, 10K, & 13.1M at Olympia, WA (43)
Olympia, Washington
Sat 24 Oct 26
$33.80 - $70.90
Halloween Trick or Trot Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 31 Oct 26
$32.80 - $48.70
Gobbler 5K, 10K, & 13.1M at Everett, WA (45)
Everett, Washington
Sat 07 Nov 26
$33.80 - $70.90
Run the Bay
University Place, Washington
Sun 08 Nov 26
$51.88 - $94.28
5.0
Veterans Day Freedom Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 14 Nov 26
$32.80 - $48.70
Gobbler 5K, 10K & 13.1M at Olympia, WA (46)
Olympia, Washington
Sat 14 Nov 26
$33.80 - $70.90
Showing 1-40 of 78 results
