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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

Sloth Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 20 Jun 26
$32.80 - $48.70
🚀Boosted

PeaceHealth Appletree Marathon

Vancouver, Washington
Sat 29 Aug 26
$54.92 - $141.32
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Never Say Never Half Marathon & 10K

Tieton, Washington
Sat 02 May 26
$96.40 - $122.90

Cinco De Mayo Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 02 May 26
$32.80 - $48.70

Kirkland Half Marathon & 5K

Kirkland, Washington
Sun 03 May 26
$15.31 - $97.77

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

Everett, Washington
Sat 09 May 26
$33.80 - $70.90

Snohomish Women's Run

Everett, Washington
Sat 09 May 26 - Sun 09 Aug 26
$46.58 - $94.28

San Juan Island Half

Friday Harbor, Washington
Sat 09 May 26
$18.37 - $122.61

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

Olympia, Washington
Sat 09 May 26
$33.80 - $70.90

Soaring Eagle Trail Run

Sammamish, Washington
Sat 16 May 26
Free - $68.61

Capital City Marathon

Olympia, Washington
Sat 16 May 26 - Sun 17 May 26
Free - $119.37

Luau 5K, 10K, & 13.1M at Pasco, WA (20)

Pasco, Washington
Sat 16 May 26
$33.80 - $70.90

Luau 5K, 10K, & 13.1M at Everett, WA (20)

Everett, Washington
Sat 16 May 26
$33.80 - $70.90

Windermere Marathon

Spokane, Washington
Sun 17 May 26
Free - $122.90

Reflection Run

Washougal, Washington
Sun 17 May 26
$56.00 - $105.68
5.0

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

Seattle, Washington
Sat 23 May 26
$32.80 - $48.70

Luau 5K, 10K, & 13.1M at Spokane, WA (21)

Spokane, Washington
Sat 23 May 26
$33.80 - $70.90

Luau 5K, 10K, & 13.1M at Camas, WA (21)

Camas, Washington
Sat 23 May 26
$33.80 - $70.90

Luau 5K, 10K, & 13.1M at Olympia, WA (21)

Olympia, Washington
Sat 23 May 26
$33.80 - $70.90

Memorial Day Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 23 May 26
$32.80 - $48.70

Spring - Mud Mountain Dam Marathon & Half Marathon

Enumclaw, Washington
Sat 30 May 26
$98.80 - $109.50

Big River Race

Pasco, Washington
Sat 30 May 26
Free - $64.60

Echo Valley

Chelan, Washington
Sat 30 May 26
Free - $118.29

Run the 509

Deer Park, Washington
Sun 31 May 26
$27.50 - $75.20

North Olympic Discovery Marathon (5K / 10K/ Half / Full / Relay / Kids Marathon)

Port Angeles, Washington
Sat 06 Jun 26 - Wed 29 Jul 26
$16.90 - $368.50

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

Seattle, Washington
Sat 06 Jun 26
$32.80 - $48.70

SuperHeroes Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 06 Jun 26
$32.80 - $48.70

The Great Ferry Race

Bainbridge Island, Washington
Sun 07 Jun 26
$102.09

Super Hyak Marathon and Half

North Bend, Washington
Sat 13 Jun 26
$148.34 - $182.26

Medal Madness 5K, 10K, & 13.1M at Everett, WA (24)

Everett, Washington
Sat 13 Jun 26
$33.80 - $70.90

Medal Madness 5K, 10K, & 13.1M at Olympia, WA (24)

Olympia, Washington
Sat 13 Jun 26
$33.80 - $70.90

Bound for Boston Marathon & Half Marathon - Seattle

Olympia, Washington
Sun 14 Jun 26
$49.10 - $102.70

Sloth Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 20 Jun 26
$32.80 - $48.70

Run Juneteenth Day 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 20 Jun 26
$32.80 - $48.70

Jasper Mountain Trail Fest 2026

Dayton, Washington
Sat 20 Jun 26
$22.20 - $54.00

Jasper Mountain Trail Fest 2026

Dayton, Washington
Sat 20 Jun 26
$32.80 - $75.20

Medal Madness 5K, 10K, & 13.1M at Pasco, WA (25)

Pasco, Washington
Sat 20 Jun 26
$33.80 - $70.90

Medal Madness 5K, 10K, & 13.1M at Everett, WA (25)

Everett, Washington
Sat 20 Jun 26
$33.80 - $70.90

Tiger Peak Challenge

Issaquah, Washington
Sat 20 Jun 26
Free - $110.73

Snoqualmie Valley Half

Carnation, Washington
Sat 20 Jun 26
$59.97 - $92.37

Medal Madness 5K, 10K, & 13.1M at Spokane, WA (26)

Spokane, Washington
Sat 27 Jun 26
$33.80 - $70.90

Medal Madness 5K, 10K, & 13.1M at Camas, WA (26)

Camas, Washington
Sat 27 Jun 26
$33.80 - $70.90
Showing 41-80 of 175 results
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