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Half Marathons Found In Washington in August
View all ↓Half Marathons in Washington in August 2025
Find A Race is the US's favourite event listings site. Check out our list of August 2025 Half Marathons in Washington below.
Race Calendar: Half Marathons Found In August
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
Twilight at the Bay
University Place, Washington
16 Aug 25
$65.66 - $108.06
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Chiawana Park, Pasco, WA (33) 30
Pasco, Washington
16 Aug 25
$27.50 - $69.90
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (33) 80
Everett, Washington
16 Aug 25
$27.50 - $69.90
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Liberty Park, Spokane, WA (34) 20
Spokane, Washington
23 Aug 25
$27.50 - $69.90
Tacoma Narrows Half Marathon / 5K
Tacoma, Washington
23 Aug 25
$49.20 - $91.60
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
Race the Reserve Whidbey Island
Coupeville, Washington
09 Aug 25
$32.80 - $69.90
Showing 1-11 of 11 results