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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 the Bay

University Place, Washington
Sun 08 Nov 26
$41.28 - $83.68
5.0
🚀Boosted

Medal Madness 5K, 10K, & 13.1M at Spokane, WA (13)

Spokane, Washington
Sat 28 Mar 26
$33.80 - $70.90
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Richland RunFest 2026

Richland, Washington
Fri 06 Feb 26 - Fri 06 Mar 26
$32.80 - $80.50

Three Lakes Triathlons and Kings Market San Juan Island Runs

Friday Harbor, Washington
Sun 15 Feb 26 - Sat 20 Jun 26
$59.30 - $244.80

Viking 5K, 10K, & 13.1M at Camas, WA (09)

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

Viking 5K, 10K, & 13.1M at Olympia, WA (09)

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

Viking 5K, 10K, & 13.1M at Spokane, WA (09)

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

Brooks Lake Sammamish Half Marathon presented by REI

Redmond, Washington
Sat 07 Mar 26
$56.73 - $106.41

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

Everett, Washington
Sat 07 Mar 26
$33.80 - $97.40

SuperHeroes Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 07 Mar 26
$32.80 - $54.00

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

Seattle, Washington
Sat 07 Mar 26
$32.80 - $54.00

Run The Green

Kent, Washington
Sat 14 Mar 26
$62.13 - $89.13

Sloth Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 14 Mar 26
$32.80 - $64.60

Medal Madness 5K, 10K, & 13.1M at Olympia, WA (11)

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

St. Paddy's Day Run Tacoma

Tacoma, Washington
Sat 14 Mar 26
$77.40 - $120.20

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

Seattle, Washington
Sat 14 Mar 26
$32.80 - $64.60

Shamrock Shuffle

Spokane, Washington
Sun 15 Mar 26
Free - $117.60

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

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

Medal Madness 5K, 10K, 13.1, & 26.2 at Everett, WA (12)

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

Dash Point Trail Run

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

Yakima River Canyon Marathon and Half-Marathon

Yakima, Washington
Sat 28 Mar 26
$85.00

Medal Madness 5K, 10K, & 13.1M at Spokane, WA (13)

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

Medal Madness 5K, 10K, & 13.1M at Camas, WA (13)

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

Medal Madness 5K, 10K, & 13.1M at Olympia, WA (13)

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

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

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

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

Seattle, Washington
Sat 04 Apr 26
$32.80 - $64.60

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

Seattle, Washington
Sat 04 Apr 26
$32.80 - $64.60

Pirate 5K, 10K, & 13.1M at Everett, WA (15)

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

Pirate 5K, 10K, & 13.1M at Olympia, WA (15)

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

The Split

Spokane, Washington
Sun 12 Apr 26
Free - $117.60

Seattle Cherry Blossom Run

Seattle, Washington
Sat 18 Apr 26
$38.53 - $133.75

Earth Day Run

Seattle, Washington
Sat 18 Apr 26
$34.92 - $60.36

Bremerton Marathon

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

Pirate 5K, 10K, 13.1M, & 26.2M at Everett, WA (16)

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

Coffee Lovers Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 25 Apr 26
$32.80 - $54.00

Pirate 5K, 10K, & 13.1M at Spokane, WA (17)

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

Pirate 5K, 10K, & 13.1M at Camas, WA (17)

Camas, 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 - $54.00

Whidbey Island Marathon

Oak Harbor, Washington
Sun 26 Apr 26
$23.52 - $105.72

Spring Classic Duathlon, Half, 10k & 5k

Vancouver, Washington
Sun 26 Apr 26
$56.00 - $215.84

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 - $294.00
Showing 1-40 of 175 results
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