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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

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

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

Run the 509

Deer Park, Washington
Sun 31 May 26
$16.90 - $54.00
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Medal Madness 5K, 10K, & Half Marathon at McCollum Park, Everett, WA (11S40)

Everett, Washington
Sat 14 Mar 26
$33.80 - $70.90

St. Paddy's Day Lucky Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 14 Mar 26
$32.80 - $48.70

St. Paddy's Day Run Tacoma

Tacoma, Washington
Sat 14 Mar 26
$61.35 - $104.15

Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (11) 80

Olympia, Washington
Sat 14 Mar 26
$33.80 - $70.90

Sloth Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 14 Mar 26
$32.80 - $48.70

Run The Green

Kent, Washington
Sat 14 Mar 26
$56.73 - $83.73

Shamrock Shuffle

Spokane, Washington
Sun 15 Mar 26
Free - $107.00

Medal Madness 5K, 10K, 13.1 & 26.2 at Lowell Riverfront Park, Everett, WA (12) 80

Everett, Washington
Sat 21 Mar 26
$33.80 - $97.40

Dash Point Trail Run

Federal Way, Washington
Sat 21 Mar 26
Free - $78.33

Medal Madness 5K, 10K, 13.1, & 26.2 at Chiawana Park, Pasco, WA (12) 80

Pasco, Washington
Sat 21 Mar 26
$33.80 - $97.40

Medal Madness 5K, 10K, & Half Marathon at Lake Camas Heritage Park, Camas, WA (13S40)

Camas, Washington
Sat 28 Mar 26
$33.80 - $70.90

Medal Madness 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (13) 40

Spokane, Washington
Sat 28 Mar 26
$33.80 - $70.90

Yakima River Canyon Marathon and Half-Marathon

Yakima, Washington
Sat 28 Mar 26
$85.00

Seattle Cherry Blossom Run

Seattle, Washington
Sat 28 Mar 26 - Sat 11 Apr 26
$36.41 - $75.56

Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (13) 80

Olympia, Washington
Sat 28 Mar 26
$33.80 - $70.90

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

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

Always Hope Easter Run 5K/10K/13.1 SEATTLE

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

Always Hope Easter Run 5K/10K/13.1 SEATTLE

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

Viking 5K, 10K, 13.1, & 26.2 at Langus Riverfront Park, Everett, WA (14) 80

Everett, Washington
Sat 04 Apr 26
$33.80 - $97.40

Pirate 5K, 10K, & Half Marathon at McCollum Park, Everett, WA (15S40)

Everett, Washington
Sat 11 Apr 26
$33.80 - $70.90

Pirate 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (15) 80

Olympia, Washington
Sat 11 Apr 26
$33.80 - $70.90

The Split

Spokane, Washington
Sun 12 Apr 26
Free - $107.00

Squak Mountain Trail Run

Issaquah, Washington
Sat 18 Apr 26
Free - $97.77

Pirate 5K, 10K, 13.1, & 26.2 at Lowell Riverfront Park, Everett, WA (16) 80

Everett, Washington
Sat 18 Apr 26
$33.80 - $97.40

Bremerton Marathon

Bremerton, Kitsap
Sat 18 Apr 26
$85.00 - $95.00

Pirate 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (17) 50

Spokane, Washington
Sat 25 Apr 26
$33.80 - $70.90

Run for Donuts 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 25 Apr 26
$32.80 - $48.70

Coffee Lovers Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 25 Apr 26
$32.80 - $48.70

Pirate 5K, 10K, & Half Marathon at Lake Camas Heritage Park, Camas, WA (17S40)

Camas, Washington
Sat 25 Apr 26
$33.80 - $70.90

Whidbey Island Marathon

Oak Harbor, Washington
Sun 26 Apr 26
$23.52 - $89.28

Spring Classic Duathlon, Half, 10k & 5k

Vancouver, Washington
Sun 26 Apr 26
$56.00 - $205.04

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

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

Never Say Never Half Marathon & 10K

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

Luau 5K, 10K, & Half Marathon at Langus Riverfront Park, Everett, WA (18) 80

Everett, Washington
Sat 02 May 26
$33.80 - $70.90

Sunrise Marathon 5K/10K/13.1 SEATTLE

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

Tacoma City Marathon / Half / Ghost / 10K / 5K / 1K

Tacoma, Washington
Sat 02 May 26 - Sun 03 May 26
$13.20 - $267.50

Kirkland Half Marathon & 5K

Kirkland, Washington
Sun 03 May 26
$15.31 - $92.37

Luau 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (19) 80

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

Luau 5K, 10K, & Half Marathon at McCollum Park, Everett, WA (19S40)

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

San Juan Island Half

Friday Harbor, Washington
Sat 09 May 26
$18.37 - $111.81
Showing 41-80 of 175 results
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