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.

Squak Mountain Trail Run

Issaquah, Washington

April 24th, 2021

Running: Half Marathon Trail Run, Marathon Trail Run, 12K Trail Run, 50K Trail Run (Ultra)

Whidbey 1/2

Oak Harbor, Washington

Virtual
April 25th, 2021

Running: Half Marathon

Fiesta 5K Ole

Redmond, Washington

Virtual
May 1st, 2021

Running: Half Marathon, 5K

Snohomish Women's Run

Everett, Washington

May 2nd, 2021

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

Mother's Day Half Marathon

Kirkland, Washington

May 9th, 2021

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

Kings San Juan Island Marathon

Friday Harbor, Washington

May 15th, 2021

Running: Half Marathon, Marathon, 10K

Capital City Marathon

Olympia, Washington

May 16th, 2021

Running: Marathon, Half Marathon, 5 Miles

Spring Eagle Trail Run

Sammamish, Washington

May 22nd, 2021

Running: Half Marathon, Marathon, 10 Miles, 20 Miles, 5 Mile Trail Run

Reflection Run

Washougal, Washington

Virtual
May 23rd, 2021

Running: Half Marathon, 1 Mile, 10K, 5K

Lake Wilderness Multisport

Maple Valley, Washington

June 5th, 2021

Triathlon: Olympic, Sprint, Youth/Kids
Running: Half Marathon, 10K, 5K

Lake Wilderness Run

Maple Valley, Washington

June 5th, 2021

Running: Half Marathon, 10K, 5K

North Olympic Discovery Marathon

Port Angeles, Washington

June 5th, 2021

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

North Olympic Discovery Marathon

Port Angeles, Washington

Virtual
June 6th, 2021

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

Evergreen Half

Snohomish, Washington

June 19th, 2021

Running: Half Marathon, 5 Miles

Pacific Crest Endurance Sports Festival

Long Beach, Washington

June 25th, 2021

Running: 50K, 28K Trail Run, 10K, 5K, Half Marathon, Marathon
Triathlon: Half Ironman, Olympic, Olympic

Cascade Super Series - Super Fast Half

Snoqualmie Pass, Washington

June 26th, 2021

Running: Half Marathon

Craft Classic Seattle

Redmond, Washington

June 27th, 2021

Running: Half Marathon

Run Like the Wind

Westport, Washington

July 11th, 2021

Running: Half Marathon, 10K, 5K

Yukon Do It

Port Orchard, Washington

July 11th, 2021

Running: Half Marathon, Marathon

Backcountry Rise

Toutle, Washington

July 17th, 2021

Running: Half Marathon Trail Run

Chelanman Multisport Weekend - Day 1

Chelan, Washington

July 17th, 2021

Triathlon: Half Ironman, Olympic
Running: Half Marathon, 10K

Jack & Jill's Downhill Marathon

North Bend, Washington

July 24th, 2021

Running: Marathon, Half Marathon

Tiger Peak Challenge

Issaquah, Washington

July 31st, 2021

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

Larry Scott Trail (Paved) Run

Port Townsend, Washington

October 16th, 2021

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