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Half Marathons Found In Washington in Summer
View all ↓Half Marathons in Washington in Summer 2025
Find A Race is the US's favourite event listings site. Check out our list of Summer 2025 Half Marathons in Washington below.
Race Calendar: Half Marathons Found In Summer
Evergreen Half Marathon and 5 Mile
Snohomish, Washington
01 Jun 25
$59.30 - $69.90
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 - $118.29
North Olympic Discovery Marathon (5K / 10K/ Half / Full / Relay / Kids Marathon)
Port Angeles, Washington
07 Jun 25
$16.90 - $368.50
Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (24) 150
Olympia, Washington
14 Jun 25
$27.50 - $69.90
Three Lakes Triathlons and Kings Market San Juan Island Runs
Friday Harbor, Washington
14 Jun 25
$54.00 - $244.80
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
$137.74 - $169.54
2025 Seattle Marathon's Summer 5k/10k/Half Marathon and Kids Fun Run
Seattle, Washington
21 Jun 25
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
Jasper Mountain Trail Fest 2025
Dayton, Washington
21 Jun 25
$32.80 - $75.20
Snoqualmie Valley Half
Carnation, Washington
21 Jun 25
$56.73 - $90.21
Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Chiawana Park, Pasco, WA (25) 30
Pasco, Washington
21 Jun 25
$27.50 - $69.90
Silver Creek Trail Run 5K, 10K, Half Marathon at Night Owl Landing
Kingston, Washington
21 Jun 25
$32.80 - $59.30
Tiger Peak Challenge
Issaquah, Washington
28 Jun 25
Free - $110.73
Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Liberty Park, Spokane, WA (26)
Spokane, Washington
28 Jun 25
$27.50 - $69.90
US 1M,5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (27)
Everett, Washington
05 Jul 25
$27.50 - $69.90
US 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (28)
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
US 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (29)
Everett, Washington
19 Jul 25
$27.50 - $69.90
Olympia Lakefair Races - Half Marathon, 8K & 3K
Olympia, Washington
19 Jul 25
$38.50 - $66.00
US 1M, 5K, 10K, 15K, & Half Marathon at Chiawana Park, Pasco, WA (29) 30
Pasco, Washington
19 Jul 25
$27.50 - $69.90
B & O Half Marathon and 10k
Orting, Washington
20 Jul 25
$74.14 - $105.94
US 1M, 5K, 10K, 15K, & Half Marathon at Liberty Park, Spokane, WA (30)
Spokane, Washington
26 Jul 25
$27.50 - $69.90
Jack & Jill Downhill Marathon, Half Marathon Washington
North Bend, Washington
26 Jul 25 - 27 Jul 25
$149.98 - $182.01
Craft Classic Seattle
Redmond, Washington
27 Jul 25
$47.43 - $94.53
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (31)
Everett, Washington
02 Aug 25
$27.50 - $69.90
Galloping Gertie
Gig Harbor, Washington
02 Aug 25
$63.54 - $105.94
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (32)
Olympia, Washington
09 Aug 25
$27.50 - $69.90
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (33)
Everett, Washington
16 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
$63.54 - $105.94
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Liberty Park, Spokane, WA (34)
Spokane, Washington
23 Aug 25
$27.50 - $69.90
Iron Horse Half Marathon
North Bend, Washington
24 Aug 25
$54.57 - $93.45
Devil's Gulch
Wenatchee, Washington
12 Jul 25
Free
Showing 1-36 of 36 results