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Half Marathons Found In Washington

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Half Marathons in Washington 2025 - 2026

The most comprehensive list of Half Marathons in and near Washington in 2025 - 2026. Find your perfect race!

If you're exploring half marathon races in nearby states, take a look at our range of:

Start your adventure with findarace, your one-stop destination for the most comprehensive list of runs, swims, and cycles across the US.


Race Calendar: Half Marathons Found In Washington

🚀Boosted

Medal Madness 5K, 10K, & Half Marathon at Langus Riverfront Park, Everett, WA (27) 80

Everett, Washington
06 Sep 25
$33.80 - $70.90
🚀Boosted

Skagit Flats Marathon, Half & 5k

Burlington, Washington
14 Sep 25
$43.40 - $112.30
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Run Against Breast Cancer 5K/10K/13.1 SEATTLE

Seattle, Washington
18 Oct 25
$32.80 - $52.94

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) 80

Spokane, Washington
25 Oct 25
$33.05 - $70.15

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 - $48.70

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

Olympia, Washington
01 Nov 25
$33.05 - $96.65

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

Everett, Washington
01 Nov 25
$33.80 - $70.90

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

Seattle, Washington
01 Nov 25
$32.80 - $48.70

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

Olympia, Washington
08 Nov 25
$33.80 - $70.90

Pie Gobbler 5K, 10K, & 13.1 at McCollum Park, Everett, WA (45) 80

Everett, Washington
08 Nov 25
$33.05 - $70.15

Run the Bay

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

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

Everett, Washington
15 Nov 25
$33.05 - $70.15

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

Pasco, Washington
15 Nov 25
$33.05 - $70.15

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

Olympia, Washington
22 Nov 25
$33.80 - $70.90

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

Spokane, Washington
22 Nov 25
$33.05 - $70.15

2025 Seattle Ghost Marathon, Half & 50K

Seattle, Washington
29 Nov 25
$133.50

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

Seattle, Washington
29 Nov 25
$32.80 - $48.70

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

Seattle, Washington
29 Nov 25
$32.80 - $48.70

Medal Madness 5K, 10K, & Half Marathon at Langus Riverfront Park, Everett, WA (49) 80

Everett, Washington
06 Dec 25
$33.05 - $70.15

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

Seattle, Washington
13 Dec 25
$32.80 - $48.70

Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (50) 80

Olympia, Washington
13 Dec 25
$33.80 - $70.90

Run for Mental Health 5K/10K/13.1 SEATTLE

Seattle, Washington
13 Dec 25
$32.80 - $48.70

Santa Runs Tacoma

Tacoma, Washington
13 Dec 25
$49.20 - $81.00

Medal Madness 5K, 10K, & 13.1 at McCollum Park, Everett, WA (50) 80

Everett, Washington
13 Dec 25
$33.05 - $70.15

Holiday 5K, 10K, & Half Marathon at Lowell Riverfront Park, Everett, WA (51) 70

Everett, Washington
20 Dec 25
$33.05 - $70.15

New Year's Run 5K/10K/13.1 SEATTLE

Seattle, Washington
27 Dec 25
$32.80 - $48.70

Holiday 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (52) 40

Spokane, Washington
27 Dec 25
$33.05 - $70.15

A Merry Christmas Run 5K/10K/13.1 SEATTLE

Seattle, Washington
27 Dec 25
$32.80 - $48.70

Holiday 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (52) 80

Olympia, Washington
27 Dec 25
$33.80 - $70.90

Last Chance Marathon and Half Marathon

Bellingham, Washington
31 Dec 25
$64.60

Sunrise Marathon 5K/10K/13.1 SEATTLE

Seattle, Washington
03 Jan 26
$32.80 - $48.70

New Year New Me Run 5K/10K/13.1 SEATTLE

Seattle, Washington
03 Jan 26
$32.80 - $48.70

New Year New Me Run 5K/10K/13.1 SEATTLE

Seattle, Washington
03 Jan 26
$32.80 - $48.70

New Year 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (02) 80

Olympia, Washington
10 Jan 26
$33.80 - $70.90

MLK Freedom Run 5K/10K/13.1 SEATTLE

Seattle, Washington
17 Jan 26
$32.80 - $48.70

Run for Donuts 5K/10K/13.1 SEATTLE

Seattle, Washington
17 Jan 26
$32.80 - $48.70

Run for Donuts 5K/10K/13.1 SEATTLE

Seattle, Washington
17 Jan 26
$32.80 - $48.70

Lunar New Year Run 5K/10K/13.1 SEATTLE

Seattle, Washington
07 Feb 26
$32.80 - $48.70

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

Seattle, Washington
07 Feb 26
$32.80 - $48.70
Showing 41-80 of 109 results
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