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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

Olympia Lakefair Races - Half Marathon, 8K & 3K

Olympia, Washington
19 Jul 25
$44.00 - $77.00
🚀Boosted

Ninja 1M, 5K, 10K, 15K, & Half Marathon at Liberty Park, Spokane, WA (34) 20

Spokane, Washington
23 Aug 25
$27.75 - $70.15
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Bellingham Bay Marathon

Bellingham, Washington
21 Sep 25
$45.44 - $263.50

Quilcene Oyster Races

Quilcene, Washington
21 Sep 25
Free - $59.30

Fidalgo Trail Run

Anacortes, Washington
27 Sep 25
Free - $99.93

BRRC 48th Colbert Autumn Classic Half Marathon and 3rd Annual 4-Mile Loop

Colbert, Washington
27 Sep 25
$32.80 - $54.00

Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Liberty Park, Spokane, WA (39) 80

Spokane, Washington
27 Sep 25
$27.75 - $70.15

Haunted 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (40) 80

Everett, Washington
04 Oct 25
$27.75 - $70.15

Poulsbo Half Marathon & 10k

Poulsbo, Washington
05 Oct 25
$65.37 - $92.37

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

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

Haunted 1M, 5K, 10K, 15K, 13.1 & 26.2 at Heritage Park, Olympia, WA (41) 150

Olympia, Washington
11 Oct 25
$27.75 - $96.65

Girlfriends Run

Vancouver, Washington
12 Oct 25
Free - $101.36

The Spokane Marathon

Spokane, Washington
12 Oct 25
$48.70 - $107.00

Haunted 1M, 5K, 10K, 15K, & Half Marathon at Chiawana Park, Pasco, WA (42) 80

Pasco, Washington
18 Oct 25
$27.75 - $70.15

Haunted 1M, 5K, 10K, 15K, 13.1 & 26.2 at Lowell Riverfront Park, Everett, WA (42) 80

Everett, Washington
18 Oct 25
$27.75 - $96.65

Lake Washington Half Marathon

Kirkland, Washington
18 Oct 25 - 21 Oct 25
$56.73 - $91.29

Haunted 1M, 5K, 10K, 15K, & Half Marathon at Liberty Park, Spokane, WA (43) 80

Spokane, Washington
25 Oct 25
$27.75 - $70.15

Tri-Cities Marathon

Richland, Washington
26 Oct 25
$55.00 - $140.00

Pie Gobbler 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (44) 80

Everett, Washington
01 Nov 25
$27.75 - $70.15

Pie Gobbler 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (45)

Olympia, Washington
08 Nov 25
$27.75 - $70.15

Grand Ridge Trail Run

Issaquah, Washington
08 Nov 25
Free - $110.73

Run the Bay

University Place, Washington
09 Nov 25
$65.66 - $108.06

Pie Gobbler 1M, 5K, 10K, 15K, & Half Marathon at Chiawana Park, Pasco, WA (46) 80

Pasco, Washington
15 Nov 25
$27.75 - $70.15

Pie Gobbler 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (46) 80

Everett, Washington
15 Nov 25
$27.75 - $70.15

Pie Gobbler 1M, 5K, 10K, 15K, & Half Marathon at Liberty Park, Spokane, WA (47) 80

Spokane, Washington
22 Nov 25
$27.75 - $70.15

2025 Seattle Ghost Marathon, Half & 50K

Seattle, Washington
29 Nov 25
$107.00

Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (49) 80

Everett, Washington
06 Dec 25
$27.75 - $70.15

Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (50) 100

Olympia, Washington
13 Dec 25
$27.75 - $70.15

Holiday 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (51) 70

Everett, Washington
20 Dec 25
$27.75 - $70.15

Holiday 1M, 5K, 10K, 15K, & Half Marathon at Liberty Park, Spokane, WA (52) 40

Spokane, Washington
27 Dec 25
$27.75 - $70.15

New Year 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (02) 60

Olympia, Washington
10 Jan 26
$27.75 - $70.15

Viking 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (06) 80

Olympia, Washington
14 Feb 26
$27.75 - $70.15

Lake Sammamish Half Marathon

Redmond, Washington
07 Mar 26
$56.73

Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (10) 80

Olympia, Washington
14 Mar 26
$27.75 - $70.15

Pirate 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (15) 150

Olympia, Washington
11 Apr 26
$27.75 - $70.15

Capital City Marathon/Half Marathon Training Group 2025

Olympia, Washington
11 Jan 25 - 18 May 25
$80.50

Devil's Gulch

Wenatchee, Washington
12 Jul 25
Free

Yakima River Canyon Marathon and Half-Marathon

Yakima, Washington
28 Mar 26
$85.00

Seattle Cherry Blossom Run

Seattle, Washington
28 Mar 26 - 11 Apr 26
$36.41 - $75.56
Showing 81-117 of 117 results
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