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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

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

Port Angeles, Washington
06 Jun 26 - 29 Jul 26
$16.90 - $263.50
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Jasper Mountain Trail Fest 2026

Dayton, Washington
20 Jun 26
$22.20 - $54.00
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North Olympic Discovery Marathon (5K / 10K/ Half / Full / Relay / Kids Marathon)

Port Angeles, Washington
06 Jun 26 - 29 Jul 26
$16.90 - $263.50

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

Seattle, Washington
06 Jun 26
$32.80 - $48.70

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

Olympia, Washington
13 Jun 26
$33.80 - $70.90

Jasper Mountain Trail Fest 2026

Dayton, Washington
20 Jun 26
$22.20 - $54.00

Jasper Mountain Trail Fest 2026

Dayton, Washington
20 Jun 26
$22.20 - $54.00

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

Spokane, Washington
27 Jun 26
$33.80 - $70.90

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

Olympia, Washington
04 Jul 26
$33.80 - $70.90

Jack & Jill Downhill Marathon, Half Marathon Washington

North Bend, Washington
25 Jul 26 - 26 Jul 26
$127.14 - $158.94

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

Seattle, Washington
25 Jul 26
$32.80 - $48.70

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

Olympia, Washington
08 Aug 26
$33.80 - $70.90

Iron Horse Half Marathon

North Bend, Washington
30 Aug 26
$56.73

The Great Ferry Race

Bainbridge Island, Washington
07 Jun 26
$85.89

Snoqualmie Valley Half

Carnation, Washington
27 Jun 26
$49.47 - $81.57

Craft Classic Seattle

Redmond, Washington
26 Jul 26
$37.23 - $85.89
Showing 1-14 of 14 results