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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

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

Olympia, Washington
Sat 18 Jul 26
$22.25 - $55.00
🚀Boosted

Luau 5K, 10K, & 13.1M at Everett, WA (19)

Everett, Washington
Sat 09 May 26
$33.80 - $70.90
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Ninja 5K, 10K, 13.1M at Everett, WA (31)

Everett, Washington
Sat 01 Aug 26
$33.80 - $70.90

Craft Classic Seattle

Redmond, Washington
Sun 02 Aug 26
$47.43 - $96.69

Ninja 5K, 10K, & 13.1M at Olympia, WA (32)

Olympia, Washington
Sat 08 Aug 26
$33.80 - $70.90

Ninja 5K, 10K, 13.1M at Everett, WA (33)

Everett, Washington
Sat 15 Aug 26
$33.80 - $70.90

Ninja 5K, 10K, 13.1M, Pasco, WA (33)

Pasco, Washington
Sat 15 Aug 26
$33.80 - $70.90

Twilight at the Bay

University Place, Washington
Sat 15 Aug 26
$35.98 - $78.38

Run for PB& J 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 15 Aug 26
$32.80 - $48.70

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

Spokane, Washington
Sat 22 Aug 26
$33.80 - $70.90

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

Olympia, Washington
Sat 22 Aug 26
$33.80 - $70.90

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

Camas, Washington
Sat 22 Aug 26
$33.80 - $70.90

PeaceHealth Appletree Marathon

Vancouver, Washington
Sat 29 Aug 26
$49.52 - $130.52

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

Medal Madness 5K, 10K, 13.1M & 26.2M at Everett, WA (36)

Everett, Washington
Sat 05 Sep 26
$33.80 - $70.90

Redmond Harvest Half Marathon

Redmond, Washington
Mon 07 Sep 26
$59.00

Cascade Express Marathon & Half Marathon

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

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

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

National Chocolate Day: Run for Chocolates 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

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

Pasco, 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

Fall - Mud Mountain Dam Marathon & Half Marathon

Enumclaw, Washington
Sat 19 Sep 26
$88.10 - $98.80

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

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

Pacific Coast Running Festival

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

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

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

Fidalgo Trail Run

Anacortes, Washington
Sat 26 Sep 26
Free - $99.93

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

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

Run for the Gnomes Half Marathon & 5K

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

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

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

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

The Spokane Marathon

Spokane, Washington
Sun 11 Oct 26
Free - $107.00

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

Pasco, 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, 13.1, Everett, WA (42)

Everett, 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, Spokane, WA (43)

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

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

Camas, Washington
Sat 24 Oct 26
$33.80 - $70.90
Showing 121-160 of 183 results
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