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Half Marathons Found In Washington in August

Half Marathons in Washington in August 2026

Find A Race is the US's favourite event listings site. Check out our list of August 2026 Half Marathons in Washington below.

Race Calendar: Half Marathons Found In August

Featured

Date

Highest Rated

Ninja 5K, 10K, 13.1M at Everett, WA (33)

Everett, Washington

$33.80 - $70.90

Ninja 5K, 10K, & 13.1M, Spokane, WA (34)

Spokane, Washington

$33.80 - $70.90

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Ninja 5K, 10K, 13.1M at Everett, WA (31)

Everett, Washington

$33.80 - $70.90

Ninja 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (32) 80

Olympia, Washington

$33.80 - $70.90

Twilight at the Bay

University Place, Washington

$35.98 - $78.38

Ninja 5K, 10K, 13.1M at Everett, WA (33)

Everett, Washington

$33.80 - $70.90

Ninja 5K, 10K, 13.1M, Pasco, WA (33)

Pasco, Washington

$33.80 - $70.90

Ninja 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (34) 80

Olympia, Washington

$33.80 - $70.90

Ninja 5K, 10K, & Half Marathon at Lake Camas Heritage Park, Camas, WA (34S40)

Camas, Washington

$33.80 - $70.90

Ninja 5K, 10K, & 13.1M, Spokane, WA (34)

Spokane, Washington

$33.80 - $70.90

PeaceHealth Appletree Marathon

Vancouver, Washington

$49.52 - $130.52

Iron Horse Half Marathon

North Bend, Washington

$56.73 - $89.13

Showing 1-10 of 10 results