Washington Race Calendar

Washington Half Marathons by Date • By City

Browse all 2020-2021 Washington half marathons by month below. For each race, you’ll find course maps, elevation profiles, runner reviews, and how to sign up.


When you view a race, you’ll also find contact info if you’re having problems with your registration or need to contact the race directors.

January 2021

Sat Jan 30 Tukwila to Alki Half Marathon Tukwila WA

February 2021

Sat Feb 27 Richland Runfest Half Marathon Richland WA

March 2021

April 2021

Sat Apr 17 OAT Run Half Marathon & 12K Port Angeles WA
Sat Apr 17 Wenatchee Marathon Half Marathon & 10K Wenatchee WA
Sun Apr 18 The Split Spokane Half Marathon Spokane WA
Sat Apr 24 Squak Mountain Half Marathon 50K & 12K Issaquah WA
Sat Apr 24 Sunflower Trail Marathon Half Marathon & Relay Winthrop WA

May 2021

Sun May 2 Snohomish Women's Run Half Marathon & 10K Everett WA
Sun May 9 Mother's Day Half Marathon & 5K Kirkland WA
Sat May 15 San Juan Island Half Marathon Friday Harbor WA
Sun May 16 Windermere Marathon & Half Marathon Spokane WA
Sat May 22 Soaring Eagle Half Marathon 10K & 5K Sammamish WA
Sun May 23 Reflection Run Half Marathon 10K & 5K Washougal WA

June 2020

July 2020

Sat Jul 11 Tinker Half Marathon Long Beach WA

August 2020

September 2020

Sun Sep 6 Windermere Marathon & Half Marathon Spokane WA
Sun Sep 27 Harstine Island Half Marathon Shelton WA
Sun Sep 27 Negative Split Half Marathon 10K & 5K Spokane WA

October 2020

Sat Oct 3 Leavenworth Oktoberfest Marathon & Half Marathon Leavenworth WA
Sat Oct 10 Dog Lake Half Marathon Dog Lake WA
Sat Oct 10 Lake Padden Trail Half Marathon & 5K Bellingham WA
Sun Oct 11 Girlfriends Run for a Cure Half Marathon Vancouver WA
Sun Oct 11 Race the Reserve Marathon Half Marathon 10K & 5K Coupeville WA
Sat Oct 17 Lewis-Clark Half Marathon & 5K Clarkston WA
Sat Oct 17 Salty Half Marathon Seattle WA
Sat Oct 17 Squak Mountain Trail Half Marathon 50K & 12K Issaquah WA
Sun Oct 18 Snohomish River Run Marathon & Half Marathon Snohomish WA
Sun Oct 25 Scary Run Half Marathon 10K & 5K Washougal WA

November 2020

December 2020