Half Marathon WashingtonA half marathon in Washington is a runner's paradise. With a mild climate and abundant sunshine, the pacific northwest invites athletes to compete in world class events. Find your next half marathon in Washington with our easy to use search tool. Scan and review every race along with relevant details to help plan your next half marathon.

Washington Half Marathons draw crowds of running enthusiasts who want to set new personal records in easy courses. Race courses run across the small coastal city Anacortes; the rural highways of Bainbridge Island; the hilly terrains of Bellevue; and the rainy city Seattle.

Anacortes Art Dash

Anacortes, Washington

July 31st, 2021

Running: Half Marathon, 10K, 5K

Snoqualmie Valley Half

Carnation, Washington

July 31st, 2021

Running: Half Marathon, 10K

Tiger Peak Challenge

Issaquah, Washington

July 31st, 2021

Running: Half Marathon Trail Run, Marathon Trail Run, 50K Trail Run (Ultra)

Paradise Valley Trail Run

Woodinville, Washington

August 1st, 2021

Running: Half Marathon, 10K Trail Run, 5K Trail Run

Beast of Big Creek Trail Races

Hoodsport, Washington

August 7th, 2021

Running: Half Marathon, 10K Trail Run

Galloping Gertie Half Marathon

Gig Harbor, Washington

August 7th, 2021

Running: Half Marathon, 10K, 5K

Suncadia Half and 5K

Cle Elum, Washington

August 7th, 2021

Running: Half Marathon, Kids Run/Fun Run, 5K

Mud & Chocolate - Half-Marathon and 4.5M Trail Runs

Sammamish, Washington

August 15th, 2021

Running: Half Marathon, 4.5 Mile Trail Run

Redmond Watershed Preserve Trai Runs

Redmond, Washington

August 21st, 2021

Running: Half Marathon Trail Run, Marathon, 10 Miles, 5 Mile Trail Run

Iron Horse Half Marathon

North Bend, Washington

Virtual
August 22nd, 2021

Running: Half Marathon

Short and Sweet Race

Snohomish, Washington

August 28th, 2021

Running: Half Marathon, Kids Run/Fun Run, 10K, 5K

Northwest Series - Day 3 WA

Clarkston, Washington

September 6th, 2021

Running: Half Marathon, Marathon, 10K, 5K

Northwest Series - Day 4 WA

Clarkston, Washington

September 7th, 2021

Running: Half Marathon, Marathon, 10K, 5K

GOAT Run

Port Angeles, Washington

September 11th, 2021

Running: Marathon Trail Run, Half Marathon Trail Run, 50K Trail Run

Kings San Juan Island Marathon

Friday Harbor, Washington

September 11th, 2021

Running: Half Marathon, Marathon, 10K

Middle Fork Trail Run

North Bend, Washington

September 11th, 2021

Running: Half Marathon Trail Run, 10K Trail Run, 22 Mile Trail Run, 50K Trail Run (Ultra)

Skagit Flats Marathon

Burlington, Washington

September 12th, 2021

Running: Half Marathon, Marathon, 5K

Whidbey Island Marathon

Oak Harbor, Washington

September 12th, 2021

Running: Half Marathon, Marathon, 10K, 10K Walk, 5K

AppleTree Marathon

Vancouver, Washington

September 18th, 2021

Running: Half Marathon, Marathon, 5K

Happy Girls Run Spokane

Spokane, Washington

September 18th, 2021

Running: Half Marathon, 10K, 5K, 5K Walk

Orca Half Marathon

Seattle, Washington

September 18th, 2021

Running: Half Marathon, 5K Walk

Run The Dam

Grand Coulee, Washington

September 18th, 2021

Running: Half Marathon, 10K, 5K

DuPont Trail Marathon

DuPont, Washington

September 19th, 2021

Running: Half Marathon, Marathon, 10K, 5K Trail Run

Oyster Races

Quilcene, Washington

September 19th, 2021

Running: Half Marathon, 10K, 5 Miles

Anacortes Half Marathon

Anacortes, Washington

September 25th, 2021

Running: Half Marathon, 5K

Summer's End Half Marathon

Richland, Washington

September 25th, 2021

Running: Half Marathon, 5K

Hippie Half Marathon

Manchester, Washington

Race Cancelled
September 26th, 2021

Running: Half Marathon, 8 Mile Trail Run

Mt Si Hill Climb

North Bend, Washington

September 26th, 2021

Running: Half Marathon Trail Run

Larry Scott Trail (Paved) Run

Port Townsend, Washington

October 16th, 2021

Running: 5K, 10K, Half Marathon

Yukon Do It! Winter Edition 2021

Port Orchard, Washington

December 18th, 2021

Running: Marathon, Half Marathon, 10K, 5K
 
 
Half Marathons in Washington