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Half Marathons Found In Washington in Summer

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Half Marathons in Washington in Summer 2026

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

Race Calendar: Half Marathons Found In Summer

🚀Boosted

Sloth Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 29 Aug 26
$32.80 - $48.70
🚀Boosted

Bound for Boston Marathon & Half Marathon - Seattle

Olympia, Washington
Sun 14 Jun 26
$49.10 - $102.70
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Ninja 5K, 10K, & 13.1M at Olympia, WA (32)

Olympia, Washington
Sat 08 Aug 26
$33.80 - $70.90

Twilight at the Bay

University Place, Washington
Sat 15 Aug 26
$35.98 - $78.38

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

Pasco, Washington
Sat 15 Aug 26
$33.80 - $70.90

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

Everett, Washington
Sat 15 Aug 26
$33.80 - $70.90

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

Spokane, Washington
Sat 22 Aug 26
$33.80 - $70.90

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

Camas, Washington
Sat 22 Aug 26
$33.80 - $70.90

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

Olympia, Washington
Sat 22 Aug 26
$33.80 - $70.90

Run to Breast Cancer 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 29 Aug 26
$32.80 - $48.70

PeaceHealth Appletree Marathon

Vancouver, Washington
Sat 29 Aug 26
$54.92 - $141.32

Tacoma Narrows Half Marathon / 10K / 5K

Tacoma, Washington
Sat 29 Aug 26
$39.95 - $88.10

Sloth Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 29 Aug 26
$32.80 - $48.70

Iron Horse Half Marathon

North Bend, Washington
Sun 30 Aug 26
$56.73 - $94.53
Showing 41-52 of 52 results
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