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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
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
Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (24)
Olympia, Washington
14 Jun 25
$27.50 - $69.90
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
$127.14 - $158.94
2025 Seattle Marathon's Summer 5k/10k/Half Marathon and Kids Fun Run
Seattle, Washington
21 Jun 25
Snoqualmie Valley Half
Carnation, Washington
21 Jun 25
$51.51 - $84.81
Jasper Mountain Trail Fest 2025
Dayton, Washington
21 Jun 25
$32.80 - $75.20
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 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 - $295.68
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
$63.54 - $95.34
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
$139.31 - $171.33
Craft Classic Seattle
Redmond, Washington
27 Jul 25
$42.33 - $89.13
Galloping Gertie
Gig Harbor, Washington
02 Aug 25
$52.94 - $95.34
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 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
$52.94 - $95.34
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 - $88.05
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
Showing 1-30 of 30 results