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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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San Diego Beach & Bay Half Marathon
San Diego, California
Sat 11 Apr 26
Free - $149.40
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Olympia Lakefair Races - Half Marathon, 8K & 3K
Olympia, Washington
Sat 18 Jul 26
$22.25 - $55.00
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Olympia Lakefair Races - Half Marathon, 8K & 3K
Olympia, Washington
Sat 18 Jul 26
$22.25 - $55.00
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
Eagle 5K, 10K, & 13.1M at Olympia, WA (30)
Olympia, Washington
Sat 25 Jul 26
$33.80 - $70.90
Run for Coffee Lovers 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 25 Jul 26
$32.80 - $48.70
Ninja 5K, 10K, 13.1M at Everett, WA (31)
Everett, Washington
Sat 01 Aug 26
$33.80 - $70.90
Craft Classic Seattle
Redmond, Washington
Sun 02 Aug 26
$47.43 - $96.69
Ninja 5K, 10K, & 13.1M at Olympia, WA (32)
Olympia, Washington
Sat 08 Aug 26
$33.80 - $70.90
Ninja 5K, 10K, 13.1M at Everett, WA (33)
Everett, Washington
Sat 15 Aug 26
$33.80 - $70.90
Run for PB& J 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 15 Aug 26
$32.80 - $48.70
Twilight at the Bay
University Place, Washington
Sat 15 Aug 26
$35.98 - $78.38
Ninja 5K, 10K, & 13.1M at Olympia, WA (34)
Olympia, Washington
Sat 22 Aug 26
$33.80 - $70.90
Sloth Run 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 - $94.53
Medal Madness 5K, 10K, 13.1M & 26.2M at Everett, WA (36)
Everett, Washington
Sat 05 Sep 26
$33.80 - $70.90
Redmond Harvest Half Marathon
Redmond, Washington
Mon 07 Sep 26
$59.00
Cascade Express Marathon & Half Marathon
North Bend, Washington
Sat 12 Sep 26
$137.74 - $169.54
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
Skagit Flats Marathon, Half & 5k
Burlington, Washington
Sun 13 Sep 26
$32.80 - $69.90
Orca Half Marathon
Seattle, Washington
Sat 19 Sep 26 - Sun 20 Sep 26
$65.37 - $170.13
Medal Madness 5K, 10K, 13.1 at Everett, WA (38)
Everett, Washington
Sat 19 Sep 26
$33.80 - $70.90
Fall - Mud Mountain Dam Marathon & Half Marathon
Enumclaw, Washington
Sat 19 Sep 26
$88.10 - $98.80
Anacortes Half Marathon & 5k
Anacortes, Washington
Sat 19 Sep 26
$34.92 - $58.24
Fidalgo Trail Run
Anacortes, Washington
Sat 26 Sep 26
Free - $99.93
Run for the Gnomes Half Marathon & 5K
Maple Valley, Washington
Sat 03 Oct 26
$34.92 - $85.80
Haunted 5K, 10K, 13.1 & 26.2, Everett, WA (40)
Everett, Washington
Sat 03 Oct 26
$33.80 - $102.70
Poulsbo Half Marathon & 10k
Poulsbo, Washington
Sun 04 Oct 26
$42.33 - $70.77
Haunted 5K, 10K & 13.1M at Olympia, WA (41)
Olympia, Washington
Sat 10 Oct 26
$33.80 - $70.90
Lake Washington Half Marathon
Kirkland, Washington
Sat 17 Oct 26
$56.73 - $84.81
Haunted 5K, 10K, 13.1, Everett, WA (42)
Everett, Washington
Sat 17 Oct 26
$33.80 - $70.90
Haunted 5K, 10K, & 13.1M at Olympia, WA (43)
Olympia, Washington
Sat 24 Oct 26
$33.80 - $70.90
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
$35.98 - $78.38
5.0
Gobbler 5K, 10K & 13.1M at Olympia, WA (46)
Olympia, Washington
Sat 14 Nov 26
$33.80 - $70.90
Gobbler 5K, 10K, & 13.1M, Everett, WA (46)
Everett, Washington
Sat 21 Nov 26
$33.80 - $70.90
Gobbler 5K, 10K, & 13.1M at Olympia, WA (48)
Olympia, Washington
Sat 28 Nov 26
$33.80 - $70.90
2026 Seattle Ghost Marathon, Half & 50K
Seattle, Washington
Sat 28 Nov 26
$128.20
Medal Madness 5K, 10K, & 13.1M an Everett, WA (49)
Everett, Washington
Sat 05 Dec 26
$33.80 - $70.90
Medal Madness 5K, 10K, & 13.1M at Olympia, WA (50)
Olympia, Washington
Sat 12 Dec 26
$33.80 - $70.90
Showing 81-120 of 127 results
