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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

Run for Chocolate 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 04 Jul 26
$32.80 - $48.70
🚀Boosted

Eagle 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (27) 80

Olympia, Washington
Sat 04 Jul 26
$33.80 - $70.90
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SuperHeroes Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 06 Jun 26
$32.80 - $48.70

Medal Madness 5K, 10K, & Half Marathon at Langus Riverfront Park, Everett, WA (23) 80

Everett, Washington
Sat 06 Jun 26
$33.80 - $70.90

North Olympic Discovery Marathon (5K / 10K/ Half / Full / Relay / Kids Marathon)

Port Angeles, Washington
Sat 06 Jun 26 - Wed 29 Jul 26
$16.90 - $316.00

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

Seattle, Washington
Sat 06 Jun 26
$32.80 - $48.70

The Great Ferry Race

Bainbridge Island, Washington
Sun 07 Jun 26
$85.89

Medal Madness 5K, 10K, & Half Marathon at McCollum Park, Everett, WA (24S40)

Everett, Washington
Sat 13 Jun 26
$33.80 - $70.90

Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (24) 80

Olympia, Washington
Sat 13 Jun 26
$33.80 - $70.90

Medal Madness 5K, 10K, & Half Marathon at Chiawana Park, Pasco, WA (25) 80

Pasco, Washington
Sat 20 Jun 26
$33.80 - $70.90

Jasper Mountain Trail Fest 2026

Dayton, Washington
Sat 20 Jun 26
$22.20 - $54.00

Medal Madness 5K, 10K, & Half Marathon at Lowell Riverfront Park, Everett, WA (25) 80

Everett, Washington
Sat 20 Jun 26
$33.80 - $70.90

Jasper Mountain Trail Fest 2026

Dayton, Washington
Sat 20 Jun 26
$22.20 - $54.00

Sloth Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 20 Jun 26
$32.80 - $48.70

Medal Madness 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (26) 80

Spokane, Washington
Sat 27 Jun 26
$33.80 - $70.90

Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (26) 80

Olympia, Washington
Sat 27 Jun 26
$33.80 - $70.90

Snoqualmie Valley Half

Carnation, Washington
Sat 27 Jun 26
$49.47 - $81.57

Eagle 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (27) 80

Olympia, Washington
Sat 04 Jul 26
$33.80 - $70.90

Run for Chocolate 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 04 Jul 26
$32.80 - $48.70

Jack & Jill Downhill Marathon, Half Marathon Washington

North Bend, Washington
Sat 25 Jul 26 - Sun 26 Jul 26
$137.74 - $169.54

Eagle 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (30) 80

Olympia, Washington
Sat 25 Jul 26
$33.80 - $70.90

Run for Coffee Lovers 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 25 Jul 26
$32.80 - $48.70

Run for Donuts 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 25 Jul 26
$32.80 - $48.70

Craft Classic Seattle

Redmond, Washington
Sun 26 Jul 26
$37.23 - $85.89

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

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

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

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

Iron Horse Half Marathon

North Bend, Washington
Sun 30 Aug 26
$56.73 - $89.13
Showing 1-25 of 25 results

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