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Half Marathons Found In Washington in Fall

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Half Marathons in Washington in Fall 2025

Find A Race is the US's favourite event listings site. Check out our list of Fall 2025 Half Marathons in Washington below.

Race Calendar: Half Marathons Found In Fall

πŸš€Boosted

Haunted 5K, 10K, & 13.1 at McCollum Park, Everett, WA (41) 30

Everett, Washington
11 Oct 25
$33.80 - $70.90
πŸš€Boosted

Gobbler 5K, 10K, & Half Marathon at Chiawana Park, Pasco, WA (46) 80

Pasco, Washington
15 Nov 25
$33.80 - $70.90
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Cheers to Oktoberfest Run 5K/10K/13.1 SEATTLE

Seattle, Washington
04 Oct 25
$32.80 - $52.94

Haunted 5K, 10K, & Half Marathon at Langus Riverfront Park, Everett, WA (40) 60

Everett, Washington
04 Oct 25
$33.80 - $70.90

Run for the Gnomes Half Marathon & 10K

Maple Valley, Washington
04 Oct 25
$54.00 - $91.10

Run for Donuts 5K/10K/13.1 SEATTLE

Seattle, Washington
04 Oct 25
$32.80 - $52.94

Poulsbo Half Marathon & 10k

Poulsbo, Washington
05 Oct 25
$86.97 - $113.97

Haunted 5K, 10K, 13.1 & 26.2 at Heritage Park, Olympia, WA (41) 80

Olympia, Washington
11 Oct 25
$33.80 - $97.40

Haunted 5K, 10K, & 13.1 at McCollum Park, Everett, WA (41) 30

Everett, Washington
11 Oct 25
$33.80 - $70.90

Falla Walla Half Marathon, 10K & Heroes 5K Run

Walla Walla, Washington
11 Oct 25
$54.00 - $75.20

Girlfriends Run

Vancouver, Washington
12 Oct 25
Free - $102.44

Sun City Barry James Memorial 5K and Half Marathon

Yakima, Washington
12 Oct 25
$16.90 - $22.20

The Spokane Marathon

Spokane, Washington
12 Oct 25 - 19 Oct 25
$22.20 - $144.10

Haunted 5K, 10K, 13.1 & 26.2 at Lowell Riverfront Park, Everett, WA (42) 80

Everett, Washington
18 Oct 25
$33.80 - $97.40

Haunted 5K, 10K, & Half Marathon at Chiawana Park, Pasco, WA (42) 80

Pasco, Washington
18 Oct 25
$33.80 - $70.90

The Salty Half and 10K too!

Seattle, Washington
18 Oct 25
$52.94

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

Seattle, Washington
18 Oct 25
$32.80 - $52.94

Lake Washington Half Marathon

Kirkland, Washington
18 Oct 25
$56.73 - $102.09

International Sloth Day Run 5K/10K/13.1 SEATTLE

Seattle, Washington
18 Oct 25
$32.80 - $52.94

Haunted 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (43) 80

Olympia, Washington
25 Oct 25
$33.80 - $70.90

Haunted 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (43) 60

Spokane, Washington
25 Oct 25
$33.80 - $70.90

Tri-Cities Marathon

Richland, Washington
26 Oct 25
$75.00 - $180.00

Halloween Trick or Trot Run 5K/10K/13.1 SEATTLE

Seattle, Washington
01 Nov 25
$32.80 - $52.94

Run SEATTLE "Emerald City" 5K/10K/13.1 FALL

Seattle, Washington
01 Nov 25
$32.80 - $52.94

Gobbler 5K, 10K, 13.1 & 26.2 at Heritage Park, Olympia, WA (44) 150

Olympia, Washington
01 Nov 25
$33.80 - $97.40

Gobbler 5K, 10K, & Half Marathon at Langus Riverfront Park, Everett, WA (44) 80

Everett, Washington
01 Nov 25
$33.80 - $70.90

Gobbler 5K, 10K, & 13.1 at McCollum Park, Everett, WA (45) 30

Everett, Washington
08 Nov 25
$33.80 - $70.90

Gobbler 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (45) 80

Olympia, Washington
08 Nov 25
$33.80 - $70.90

Run the Bay

University Place, Washington
09 Nov 25
$76.26 - $118.66

Gobbler 5K, 10K, & Half Marathon at Lowell Riverfront Park, Everett, WA (46) 80

Everett, Washington
15 Nov 25
$33.80 - $70.90

Gobbler 5K, 10K, & Half Marathon at Chiawana Park, Pasco, WA (46) 80

Pasco, Washington
15 Nov 25
$33.80 - $70.90

Gobbler 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (47) 80

Spokane, Washington
22 Nov 25
$33.80 - $70.90

Gobbler 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (47) 80

Olympia, Washington
22 Nov 25
$33.80 - $70.90

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

Seattle, Washington
29 Nov 25
$32.80 - $52.94

Thanksgiving Turkey Gobble Trot 5K/10K/13.1 SEATTLE

Seattle, Washington
29 Nov 25
$32.80 - $52.94

2025 Seattle Ghost Marathon, Half & 50K

Seattle, Washington
29 Nov 25
$133.50

Bellingham Bay Marathon

Bellingham, Washington
21 Sep 25 - 05 Oct 25
$61.88 - $347.50

Bed to 5K/10K/13.1 Snoozers Run SEATTLE

Seattle, Washington
15 Nov 25
$32.80 - $48.70

Veterans Day Freedom Run 5K/10K/13.1 SEATTLE

Seattle, Washington
15 Nov 25
$32.80 - $48.70

Annual Pancake Run

Spokane, Washington
28 Nov 25
Free
Showing 1-38 of 38 results