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Half Marathons Found In Seattle, Washington
View all ↓Half Marathons in & near Seattle, Washington 2025 - 2026
The most comprehensive list of Half Marathons in and near Seattle, Washington in 2025 - 2026. Find your perfect race!
Race Calendar: Half Marathons Found In Seattle, Washington
🚀Boosted
Coffee Lovers Run 5K/10K/13.1 SEATTLE
Seattle, Washington
01 Mar 25
$32.80 - $52.94
🚀Boosted
St. Paddy's Day Lucky Run 5K/10K/13.1 SEATTLE
Seattle, Washington
15 Mar 25
$32.80 - $52.94
Evergreen Half Marathon and 5 Mile
Snohomish, Washington
01 Jun 25
$59.30 - $69.90
Run the 509
Deer Park, Washington
01 Jun 25
$16.90 - $54.00
Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (23) 150
Everett, Washington
07 Jun 25
$27.50 - $69.90
Echo Valley
Chelan, Washington
07 Jun 25 - 08 Jun 25
Free - $123.69
North Olympic Discovery Marathon (5K / 10K/ Half / Full / Relay / Kids Marathon)
Port Angeles, Washington
07 Jun 25
$16.90 - $368.50
Three Lakes Triathlons and Kings Market San Juan Island Runs
Friday Harbor, Washington
14 Jun 25
$54.00 - $244.80
Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (24) 150
Olympia, Washington
14 Jun 25
$27.50 - $69.90
Kings San Juan Island Marathon, Half Marathon and 10K
Friday Harbor, Washington
14 Jun 25
$54.00 - $96.40
Bound for Boston Marathon & Half Marathon - Seattle
Olympia, Washington
15 Jun 25
$49.10 - $102.70
Super Marathon & Half Marathon
North Bend, Washington
21 Jun 25
$139.86 - $171.66
Jasper Mountain Trail Fest 2025
Dayton, Washington
21 Jun 25
$32.80 - $75.20
Snoqualmie Valley Half
Carnation, Washington
21 Jun 25
$58.89 - $92.37
Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Chiawana Park, Pasco, WA (25) 30
Pasco, Washington
21 Jun 25
$27.50 - $69.90
Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (25) 80
Everett, Washington
21 Jun 25
$27.50 - $69.90
2025 Seattle Marathon's Summer 5k/10k/Half Marathon and Kids Fun Run
Seattle, Washington
21 Jun 25
Silver Creek Trail Run 5K, 10K, Half Marathon at Night Owl Landing
Kingston, Washington
21 Jun 25
$32.80 - $59.30
Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Liberty Park, Spokane, WA (26) 20
Spokane, Washington
28 Jun 25
$27.50 - $69.90
Tiger Peak Challenge
Issaquah, Washington
28 Jun 25
Free - $116.13
Christmas 5K/10K/Half Marathon in July - Portland (Washougal)
Washougal, Washington
05 Jul 25
$28.60 - $44.10
US 1M,5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (27) 80
Everett, Washington
05 Jul 25
$27.50 - $69.90
US 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (28) 150
Olympia, Washington
12 Jul 25
$27.50 - $69.90
Mount Rainier Half Marathon & Trail Events
Enumclaw, Washington
18 Jul 25 - 19 Jul 25
Free - $331.90
Olympia Lakefair Races - Half Marathon, 8K & 3K
Olympia, Washington
19 Jul 25
$44.00 - $77.00
US 1M, 5K, 10K, 15K, & Half Marathon at Chiawana Park, Pasco, WA (29) 30
Pasco, Washington
19 Jul 25
$27.50 - $69.90
US 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (29) 80
Everett, Washington
19 Jul 25
$27.50 - $69.90
Christmas 5K/10K/Half Marathon in July - Richland
Richland, Washington
20 Jul 25
$33.60 - $54.10
B & O Half Marathon and 10k
Orting, Washington
20 Jul 25
$76.26 - $108.06
Jack & Jill Downhill Marathon, Half Marathon Washington
North Bend, Washington
26 Jul 25 - 27 Jul 25
$150.46 - $182.26
US 1M, 5K, 10K, 15K, & Half Marathon at Liberty Park, Spokane, WA (30) 20
Spokane, Washington
26 Jul 25
$27.50 - $69.90
Craft Classic Seattle
Redmond, Washington
27 Jul 25
$49.47 - $96.69
Galloping Gertie
Gig Harbor, Washington
02 Aug 25
$65.66 - $108.06
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (31) 80
Everett, Washington
02 Aug 25
$27.50 - $69.90
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (32) 150
Olympia, Washington
09 Aug 25
$27.50 - $69.90
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Chiawana Park, Pasco, WA (33) 30
Pasco, Washington
16 Aug 25
$27.50 - $69.90
Twilight at the Bay
University Place, Washington
16 Aug 25
$65.66 - $108.06
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (33) 80
Everett, Washington
16 Aug 25
$27.50 - $69.90
Tacoma Narrows Half Marathon / 5K
Tacoma, Washington
23 Aug 25
$49.20 - $91.60
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Liberty Park, Spokane, WA (34) 20
Spokane, Washington
23 Aug 25
$27.50 - $69.90
Iron Horse Half Marathon
North Bend, Washington
24 Aug 25
$56.73 - $95.61
Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (35)
Olympia, Washington
30 Aug 25
$27.75 - $70.15
Showing 41-80 of 122 results