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
| Fri Jan 1 | Bling in the New Year Marathon & Half Marathon | Snohomish WA |
February 2021
| Sun Feb 14 | My Better Half Marathon 10K & 5K | Seattle WA |
| Sat Feb 27 | Richland Runfest Half Marathon | Richland WA |
March 2021
| Sat Mar 6 | Lake Sammamish Half Marathon | Sammamish WA |
| Sat Mar 20 | Dash Point State Park Trail Half Marathon & 10K | Federal Way WA |
| Sat Mar 27 | Honeywagon Runs Half Marathon & 4-Mile | Everson WA |
| Sat Mar 27 | Yakima River Canyon Marathon & Half Marathon | Selah WA |
| Sun Mar 28 | Everett Half Marathon & 10K | Everett WA |
April 2020
| Sat Apr 4 | Deception Pass Trail Marathon & Half Marathon | Oak Harbor WA |
| Sat Apr 4 | Yakima River Canyon Marathon & Half Marathon | Selah WA |
| Sun Apr 5 | Wallace Falls Trail Run Half Marathon | Gold Bar WA |
| Sat Apr 18 | Magnuson Series Earth Day Half Marathon 15K 10K & 5K | Seattle WA |
| Sat Apr 18 | Wenatchee Marathon Half Marathon & 10K | Wenatchee WA |
| Sat Apr 25 | Trout Lake Run Half Marathon 10K & 5K | Trout Lake WA |
| Sun Apr 26 | Blooms to Brews Half Marathon | Woodland WA |
| Sun Apr 26 | Mt. Si Relay & Trail Runs Marathon Half Marathon & Ultras | Snoqualmie WA |
| Sun Apr 26 | Mud and Chocolate Half Marathon | Redmond WA |
May 2020
| Sat May 2 | Ghost of Tacoma Marathon & Half Marathon | Tacoma WA |
| Sat May 2 | Sunflower Trail Marathon Half Marathon & Relay | Winthrop WA |
| Sun May 3 | Tacoma City Marathon Half Marathon & Relay | Tacoma WA |
| Sun May 10 | Mother's Day Half Marathon & 5K | Kirkland WA |
| Sat May 16 | San Juan Island Half Marathon | Friday Harbor WA |
| Sun May 17 | Capital City Marathon Half Marathon & 5-Mile | Olympia WA |
| Sun May 17 | Reflection Run Half Marathon 10K & 5K | Washougal WA |
June 2020
| Sat Jun 6 | Snohomish Women's Run Half Marathon & 10K | Everett WA |
| Sun Jun 7 | North Olympic Discovery Marathon Half Marathon 10K & 5K | Port Angeles WA |
| Sun Jun 7 | Teanaway Trail Run Marathon Half Marathon 10K & 5K | Cle Elum WA |
| Sun Jun 28 | Craft Classic Seattle Half Marathon & 5K | Redmond WA |
July 2020
| Sat Jul 11 | Tinker Half Marathon | Long Beach WA |
August 2020
| Sat Aug 1 | Beast of Big Creek Trail Race | Hoodsport WA |
| Sat Aug 15 | Summer Blast at Redmond Watershed Marathon Half Marathon 10-Mile & 5-Mile | Redmond WA |
| Sat Aug 15 | Tacoma Narrows Half Marathon | Tacoma WA |
| Sun Aug 16 | Evergreen Half Marathon & 5K | Snohomish WA |
| Sun Aug 16 | Mud and Chocolate Half Marathon & 4.5-Mile Trail Run | Sammamish WA |
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
| Sun Nov 8 | Lakewood Half Marathon | Lakewood WA |
| Sat Nov 14 | Grand Ridge Marathon Half Marathon 50K & 5-Mile | Issaquah WA |
| Sat Nov 28 | Seattle Ghost Marathon Half Marathon & 50K | Seattle WA |
December 2020
| Sat Dec 5 | Redmond Reindeer Romp Half Marathon & 5-Mile | Redmond WA |
| Sat Dec 12 | Pigtails Run Marathon Half Marathon & 50K | Maple Valley WA |
| Thu Dec 31 | Last Chance Marathon & Half Marathon | Bellingham WA |
