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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.

Northwest Series - Day 3 WA

Clarkston, Washington

August 10th, 2020

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

Northwest Series - Day 4 WA

Clarkston, Washington

August 11th, 2020

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

Magnuson Series: Summer Fitness Day

Seattle, Washington

August 15th, 2020

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

Redmond Watershed Preserve Trai Runs

Redmond, Washington

August 15th, 2020

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

Tacoma Narrows Half Marathon

Tacoma, Washington

August 15th, 2020

Running: Half Marathon

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

Sammamish, Washington

August 16th, 2020

Running: Half Marathon, 4.5 Mile Trail Run

Berry Dairy Days Runs

Burlington, Washington

Race Cancelled
August 23rd, 2020

Running: Half Marathon

Backcountry Rise

Toutle, Washington

August 29th, 2020

Running: Half Marathon Trail Run

Iron Horse Half Marathon

North Bend, Washington

August 30th, 2020

Running: Half Marathon

Labor Day Half

Redmond, Washington

September 7th, 2020

Running: Half Marathon, 5K

GOAT Run (Great Olympic Adventure Trail Run)

Joyce, Washington

September 12th, 2020

Running: Half Marathon, 50K

Rattlesnake Hills Wine Run

Zillah, Washington

October 3rd, 2020

Running: Half Marathon

Orting Turkey Trot

Orting, Washington

November 14th, 2020

Running: Half Marathon

Amica Seattle Marathon

SEATTLE, Washington

November 29th, 2020

Running: Marathon, Half Marathon
Half Marathons in Washington