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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
Sat 18 Jul 26
$22.25 - $55.00
🚀Boosted

St. Paddy's Day Run Tacoma

Tacoma, Washington
Sat 14 Mar 26
$61.35 - $104.15
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Luau 5K, 10K, & Half Marathon at Chiawana Park, Pasco, WA (20) 80

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

Soaring Eagle Trail Run

Sammamish, Washington
Sat 16 May 26
Free - $68.61

Luau 5K, 10K, & Half Marathon at Lowell Riverfront Park, Everett, WA (20) 80

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

Capital City Marathon

Olympia, Washington
Sat 16 May 26 - Sun 17 May 26
Free - $54.57

Reflection Run

Washougal, Washington
Sun 17 May 26
$46.28 - $70.04
5.0

Windermere Marathon

Spokane, Washington
Sun 17 May 26
Free - $112.30

Memorial Day Run 5K/10K/13.1 SEATTLE

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

Luau 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (21) 80

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

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

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

Luau 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (21) 50

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

Luau 5K, 10K, & Half Marathon at Lake Camas Heritage Park, Camas, WA (21S40)

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

Echo Valley

Chelan, Washington
Sat 30 May 26
Free - $118.29

Run the 509

Deer Park, Washington
Sun 31 May 26
$16.90 - $54.00

SuperHeroes Run 5K/10K/13.1 SEATTLE

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

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

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

Medal Madness 5K, 10K, & Half Marathon at Langus Riverfront Park, Everett, WA (23) 80

Everett, Washington
Sat 06 Jun 26
$33.80 - $70.90

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

Port Angeles, Washington
Sat 06 Jun 26 - Wed 29 Jul 26
$16.90 - $316.00

The Great Ferry Race

Bainbridge Island, Washington
Sun 07 Jun 26
$96.69

Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (24) 80

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

Super HYAK Marathon & Half Marathon (formerly Super Marathon & Half)

North Bend, Washington
Sat 13 Jun 26
$137.74 - $169.54

Medal Madness 5K, 10K, & Half Marathon at McCollum Park, Everett, WA (24S40)

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

Bound for Boston Marathon & Half Marathon - Seattle

Olympia, Washington
Sun 14 Jun 26
$39.10 - $92.10

Medal Madness 5K, 10K, & Half Marathon at Chiawana Park, Pasco, WA (25) 80

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

Jasper Mountain Trail Fest 2026

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

Snoqualmie Valley Half

Carnation, Washington
Sat 20 Jun 26
$54.57 - $86.97

Tiger Peak Challenge

Issaquah, Washington
Sat 20 Jun 26
Free - $110.73

Run Juneteenth Day 5K/10K/13.1 SEATTLE

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

Medal Madness 5K, 10K, & Half Marathon at Lowell Riverfront Park, Everett, WA (25) 80

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

Sloth Run 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

Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (26) 80

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

Medal Madness 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (26) 80

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

Medal Madness 5K, 10K, & Half Marathon at Lake Camas Heritage Park, Camas, WA (26S40)

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

Eagle 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (27) 80

Olympia, Washington
Sat 04 Jul 26
$33.80 - $70.90

Christmas 5K/10K/Half Marathon in July - Portland (Washougal)

Washougal, Washington
Sat 04 Jul 26
$28.60 - $49.10
5.0

July 4th Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 04 Jul 26
$32.80 - $48.70

Run for Chocolate 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 04 Jul 26
$32.80 - $48.70

Eagle 5K, 10K, 13.1M Everett, WA (27)

Everett, Washington
Sat 04 Jul 26
$33.80 - $70.90

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

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

Eagle 5K, 10K, & 13.1M at Everett, WA (29)

Everett, Washington
Sat 18 Jul 26
$33.80 - $70.90
Showing 81-120 of 175 results
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