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Half Marathons Found In Seattle, Washington
View all ↓Half Marathons in & near Seattle, Washington 2024 - 2025
The most comprehensive list of Half Marathons in and near Seattle, Washington in 2024 - 2025. Find your perfect race!
Race Calendar: Half Marathons Found In Seattle, Washington
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (5-10-2025)
Olympia, Washington
10 May 25
$27.50 - $69.90
Windermere Marathon and Events
Spokane, Washington
18 May 25
$27.50 - $112.30
Capital City Marathon
Olympia, Washington
18 May 25
Free - $92.37
Reflection Run
Washougal, Washington
18 May 25
$56.00 - $99.20
Soaring Eagle Trail Run
Sammamish, Washington
31 May 25
Free - $68.61
Evergreen Half Marathon and 5 Mile
Snohomish, Washington
01 Jun 25
$59.30 - $69.90
Pacific Coast Running Festival
Long Beach, Washington
01 Jun 25
$23.60 - $99.20
Echo Valley
Chelan, Washington
07 Jun 25 - 08 Jun 25
Free - $118.29
North Olympic Discovery Marathon (5K / 10K/ Half / Full / Relay / Kids Marathon)
Port Angeles, Washington
07 Jun 25
$16.90 - $316.00
Three Lakes Triathlons and Kings Market San Juan Island Runs
Friday Harbor, Washington
13 Jun 25 - 14 Jun 25
$54.00 - $244.80
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (6-14-2025)
Olympia, Washington
14 Jun 25
$27.50 - $69.90
Bound for Boston Marathon & Half Marathon - Seattle
Olympia, Washington
15 Jun 25
$39.10 - $92.10
Jasper Mountain Trail Fest 2025
Dayton, Washington
21 Jun 25
$32.80 - $75.20
Super Marathon & Half Marathon
Snoqualmie Pass, Washington
21 Jun 25
$127.14 - $158.94
Snoqualmie Valley Half
Carnation, Washington
21 Jun 25
$51.51 - $84.81
Tiger Peak Challenge
Issaquah, Washington
28 Jun 25
Free - $110.73
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (7-12-2025)
Olympia, Washington
12 Jul 25
$27.50 - $69.90
Mount Rainier Half Marathon & Trail Events
Enumclaw, Washington
18 Jul 25 - 19 Jul 25
Free - $295.68
Jack & Jill Downhill Marathon, Half Marathon Washington
North Bend, Washington
27 Jul 25
$139.31 - $171.33
Craft Classic Seattle
Redmond, Washington
27 Jul 25
$42.33 - $89.13
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (8-9-2025)
Olympia, Washington
09 Aug 25
$27.50 - $69.90
Iron Horse Half Marathon
North Bend, Washington
24 Aug 25
$54.57 - $88.05
GOAT Run
Port Angeles, Washington
06 Sep 25
$67.78 - $94.28
Cascade Express Marathon & Half Marathon
Snoqualmie Pass, Washington
06 Sep 25
$127.14 - $158.94
PeaceHealth Appletree Marathon
Vancouver, Washington
07 Sep 25
$52.76 - $542.00
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (9-13-2025)
Olympia, Washington
13 Sep 25
$27.50 - $69.90
Orca Half Marathon
Seattle, Washington
20 Sep 25 - 21 Sep 25
Free - $159.33
Fidalgo Trail Run
Anacortes, Washington
27 Sep 25
Free - $99.93
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (10-11-2025)
Olympia, Washington
11 Oct 25
$27.50 - $69.90
Girlfriends Run
Vancouver, Washington
12 Oct 25
$47.36 - $542.00
Tri-Cities Marathon
Richland, Washington
26 Oct 25
$55.00 - $140.00
Seattle Cherry Blossom Run
Seattle, Washington
22 Mar 25 - 23 Mar 25
$38.53 - $75.56
Snohomish Women's Run
Everett, Washington
10 May 25
$52.94 - $95.34
Big River
Pasco, Washington
31 May 25
Free - $59.30
Kings San Juan Island Marathon, Half Marathon and 10K
Friday Harbor, Washington
14 Jun 25
$54.00 - $96.40
Devil's Gulch
Wenatchee, Washington
12 Jul 25
Free
Redmond Harvest Half Marathon
Redmond, Washington
01 Sep 25
$59.00
Showing 41-77 of 77 results