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Half Marathons Found In Washington

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Half Marathons in Washington 2026 - 2027

The most comprehensive list of Half Marathons in and near Washington in 2026 - 2027. 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

Run for the Gnomes Half Marathon & 5K

Maple Valley, Washington
Sat 03 Oct 26
$34.92 - $85.80
🚀Boosted

Ninja 5K, 10K, & 13.1M at Olympia, WA (34)

Olympia, Washington
Sat 22 Aug 26
$33.80 - $70.90
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Run to Breast Cancer 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 29 Aug 26
$32.80 - $48.70

Sloth Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 29 Aug 26
$32.80 - $48.70

Iron Horse Half Marathon

North Bend, Washington
Sun 30 Aug 26
$56.73 - $94.53

Redmond Harvest Half Marathon

Redmond, Washington
Mon 07 Sep 26
$59.00

National Chocolate Day: Run for Chocolates 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 12 Sep 26
$32.80 - $48.70

Medal Madness 5K, 10K, & 13.1M at Olympia, WA (37)

Olympia, Washington
Sat 12 Sep 26
$33.80 - $70.90

Beat the Blerch

Carnation, Washington
Sat 12 Sep 26
$44.37 - $130.17

Cascade Express Marathon & Half Marathon

North Bend, Washington
Sat 12 Sep 26
$137.74 - $169.54

Medal Madness 5K, 10K, & 13.1M at Everett, WA (37)

Everett, Washington
Sat 12 Sep 26
$33.80 - $70.90

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

Seattle, Washington
Sat 12 Sep 26
$32.80 - $48.70

Skagit Flats Marathon, Half & 5k

Burlington, Washington
Sun 13 Sep 26
$32.80 - $69.90

Anacortes Half Marathon & 5k

Anacortes, Washington
Sat 19 Sep 26
$34.92 - $58.24

RUN THE DAM 2026

Grand Coulee, Washington
Sat 19 Sep 26
$27.50 - $64.60

Fall - Mud Mountain Dam Marathon & Half Marathon

Enumclaw, Washington
Sat 19 Sep 26
$93.45 - $104.15

Medal Madness 5K, 10K & 13.1M at Everett, WA (38)

Everett, Washington
Sat 19 Sep 26
$33.80 - $70.90

Orca Half Marathon

Seattle, Washington
Sat 19 Sep 26 - Sun 20 Sep 26
$65.37 - $170.13

Medal Madness 5K, 10K, 13.1M, Pasco, WA (38)

Pasco, Washington
Sat 19 Sep 26
$33.80 - $70.90

Run for Donuts 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 26 Sep 26
$32.80 - $48.70

Medal Madness 5K, 10K & 13.1M at Camas, WA (39)

Camas, Washington
Sat 26 Sep 26
$33.80 - $70.90

Oktoberfest Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 26 Sep 26
$32.80 - $48.70

Fidalgo Trail Run

Anacortes, Washington
Sat 26 Sep 26
Free - $99.93

Medal Madness 5K, 10K, & 13.1M at Spokane, WA (39)

Spokane, Washington
Sat 26 Sep 26
$33.80 - $70.90

Pacific Coast Running Festival

Long Beach, Washington
Sat 26 Sep 26
$18.20 - $95.96

Haunted 5K, 10K, 13.1M & 26.2M at Everett, WA (40)

Everett, Washington
Sat 03 Oct 26
$33.80 - $102.70

Run for the Gnomes Half Marathon & 5K

Maple Valley, Washington
Sat 03 Oct 26
$34.92 - $85.80

Poulsbo Half Marathon & 10k

Poulsbo, Washington
Sun 04 Oct 26
$42.33 - $70.77

Haunted 5K, 10K & 13.1M at Olympia, WA (41)

Olympia, Washington
Sat 10 Oct 26
$33.80 - $70.90

Haunted 5K, 10K, & 13.1M at Everett WA (41)

Everett, Washington
Sat 10 Oct 26
$33.80 - $70.90

The Spokane Marathon

Spokane, Washington
Sun 11 Oct 26
Free - $107.00

Haunted 5K, 10K & 13.1M at Everett, WA (42)

Everett, Washington
Sat 17 Oct 26
$33.80 - $70.90

Lake Washington Half Marathon

Kirkland, Washington
Sat 17 Oct 26
$56.73 - $84.81

Haunted 5K, 10K, & 13.1M at Pasco, WA (42)

Pasco, Washington
Sat 17 Oct 26
$33.80 - $70.90

Girlfriends Run

Vancouver, Washington
Sun 18 Oct 26
Free - $83.00

Haunted 5K, 10K & 13.1M at Camas, WA (43)

Camas, Washington
Sat 24 Oct 26
$33.80 - $70.90

Haunted 5K, 10K, & 13.1M at Spokane, WA (43)

Spokane, Washington
Sat 24 Oct 26
$33.80 - $70.90

Haunted 5K, 10K, & 13.1M at Olympia, WA (43)

Olympia, Washington
Sat 24 Oct 26
$33.80 - $70.90

Tri-Cities Marathon

Richland, Washington
Sun 25 Oct 26
$55.00 - $140.00

Gobbler 5K, 10K, & 13.1M at Everett, WA (45)

Everett, Washington
Sat 07 Nov 26
$33.80 - $70.90

Run the Bay

University Place, Washington
Sun 08 Nov 26
$35.98 - $78.38
5.0

Gobbler 5K, 10K, & 13.1M at Everett, WA (46)

Everett, Washington
Sat 14 Nov 26
$33.80 - $70.90
Showing 121-160 of 178 results
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