Washington Half Marathons by Date • By City
Browse all 2019-2020 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 2020
| Wed Jan 1 | Bling in the New Year Marathon & Half Marathon | Snohomish WA |
| Sat Jan 18 | The Rain Run Half Marathon | Redmond WA |
February 2019
| Sat Feb 2 | Geoduck Gallop Half Marathon & 10K | Olympia WA |
| Sat Feb 9 | Green River Half Marathon | Tukwila WA |
| Sun Feb 10 | My Better Half Marathon & 5K | Seattle WA |
| Sat Feb 16 | Sunset Half Marathon 10K & 5K | Seattle WA |
| Sat Feb 16 | Woolley Trail Runs 50K Marathon & Half Marathon | Sedro-Woolley WA |
| Sun Feb 17 | Birch Bay International Marathon & Half Marathon | Birch Bay WA |
| Sat Feb 23 | Dupont Trail Marathon Half Marathon 10K & 5K | Dupont WA |
| Sat Feb 23 | Fort Ebey Kettles Trail Run Marathon & Half Marathon | Whidbey Island WA |
| Sat Feb 23 | Fragrance Lake Half Marathon 50K & 10K | Bellingham WA |
| Sat Feb 23 | Lord Hill Trail Run Half Marathon 50K 10K & 5K | Snohomish WA |
| Sat Feb 23 | Richland Runfest Half Marathon 10K & 5K | Richland WA |
March 2019
| Sat Mar 2 | Lake Sammamish Half Marathon | Sammamish WA |
| Sat Mar 2 | Mountain Marathon & Hillbilly Half Marathon | Olympia WA |
| Sat Mar 2 | Snake River Canyon Half Marathon | Pullman WA |
| Sat Mar 2 | Wallace Falls Trail Run 50K 22.4M & Half Marathon | Gold Bar WA |
| Sat Mar 9 | Lake Stevens Chamber of Commerce C Trail Half Marathon 10K & 5K | Lake Stevens WA |
| Sat Mar 16 | St. Paddy's Day Run Half Marathon 10K & 5K | Tacoma WA |
| Sat Mar 23 | Dash Point State Park Half Marathon & 10K | Federal Way WA |
| Sat Mar 23 | Honeywagon Runs Half Marathon 4-Mile & Fun Run | Everson WA |
| Sat Mar 23 | Sunrise Half Marathon 10K & 5K – Seattle | Seattle WA |
| Sun Mar 24 | Cupcake Runs Marathon & Half Marathon | Arlington WA |
| Sun Mar 24 | Mercer Island Half Marathon 10K & 5K | Mercer Island WA |
| Sat Mar 30 | Spring Run for Fun at Redmond Watershed | Redmond WA |
| Sat Mar 30 | Yakima River Canyon Marathon & Half Marathon | Selah WA |
April 2019
May 2019
| Sat May 4 | Ghost of Tacoma Marathon & Half Marathon | Tacoma WA |
| Sun May 5 | Snohomish Women's Half Marathon | Snohomish WA |
| Sun May 5 | Tacoma City Marathon Half Marathon & Relay | Tacoma WA |
| Sat May 11 | Orcas Island Trail Festival | Olga WA |
| Sun May 12 | Mother's Day Half Marathon & 5K | Kirkland WA |
| Sat May 18 | Rattlesnake Hills Wine Run Half Marathon 10K & 5K | Zillah WA |
| Sat May 18 | San Juan Island Half Marathon | Friday Harbor WA |
| Sun May 19 | Capital City Marathon Half Marathon & 5-Mile | Olympia WA |
| Sun May 19 | Run to Remember Washington Half Marathon 10K & 5K | Washougal WA |
| Sun May 19 | Windermere Marathon & Half Marathon | Spokane WA |
| Sat May 25 | Soaring Eagle Trail Run Half Marathon 10K & 5K | Sammamish WA |
June 2019
| Sat Jun 1 | Lake Wilderness Run Half Marathon 10K & 5K | Maple Valley WA |
| Sun Jun 2 | North Olympic Discovery Marathon Half Marathon 10K & 5K | Port Angeles WA |
| Sat Jun 8 | Snoqualmie Valley Half Marathon & 10K | Carnation WA |
| Sun Jun 9 | Rock 'n' Roll Seattle Marathon & Half Marathon | Seattle WA |
| Sat Jun 15 | Evergreen Half Marathon & 5-Mile | Snohomish WA |
| Sun Jun 23 | Great Ferry Race Half Marathon | Bainbridge Island WA |
July 2019
| Sat Jul 20 | ChelanMan Multisport Weekend Half Marathon & 10K | Chelan WA |
August 2019
| Sat Aug 10 | Race the Reserve Marathon Half Marathon 10K & 5K | Coupeville WA |
| Mon Aug 12 | Mainly Marathons Northwest Series – Day 3 | Clarkston WA |
| Tue Aug 13 | Mainly Marathons Northwest Series – Day 4 | Clarkston WA |
| Sun Aug 25 | Iron Horse Half Marathon | North Bend WA |
September 2019
| Mon Sep 2 | Labor Day Half Marathon & 5K Run/Walk | Redmond WA |
| Sat Sep 7 | Cascade Express Half Marathon | Snoqualmie Pass WA |
| Sat Sep 7 | GOAT Run Marathon Half Marathon & 50K | Port Angeles WA |
| Sun Sep 15 | AppleTree Marathon & Half Marathon | Vancouver WA |
| Sun Sep 15 | Lakewood-Steilacoom Half Marathon 7-Mile 5K & Fun Run | Lakewood WA |
| Sun Sep 15 | Quilcene Oyster Half Marathon 10K & 5K | Quilcene WA |
| Sat Sep 21 | Happy Girls Run Spokane Half Marathon 10K & 5K | Spokane WA |
| Sat Sep 21 | Paradise Valley Trail Run Half Marathon 10K & 5K | Woodinville WA |
| Sat Sep 21 | Run the Dam Half Marathon 10K & 5K | Grand Coulee WA |
| Sat Sep 21 | Tehaleh Trail Half Marathon 10K & 5K | Bonney Lake WA |
| Sun Sep 22 | Orca Half Marathon | Seattle WA |
| Sun Sep 29 | Bellingham Bay Marathon Half Marathon 10K & 5K | Bellingham WA |
October 2019
| Sat Oct 5 | Leavenworth Marathon & Half Marathon | Leavenworth WA |
| Sat Oct 5 | Run Like a Girl Half Marathon & 10K | Bellingham WA |
| Sun Oct 6 | Fidalgo Trail Half Marathon | Anacortes WA |
| Sat Oct 12 | Lake Padden Trail Half Marathon & 5K | Bellingham WA |
| Sat Oct 12 | Poulsbo Half Marathon & 10K | Poulsbo WA |
| Sun Oct 13 | Girlfriends Run for a Cure Half Marathon 10K & 5K | Vancouver WA |
| Sun Oct 13 | Snohomish River Run Marathon & Half Marathon | Snohomish WA |
| Sun Oct 13 | Spokane Marathon Half Marathon & 10K | Spokane WA |
| Sat Oct 19 | Lewis-Clark Half Marathon & 5K | Clarkston WA |
| Sun Oct 20 | Husky Cougar Rivalry Run Half Marathon 10K & 5K | Woodinville WA |
| Sun Oct 27 | Scary Run Half Marathon 10K & 5K | Washougal WA |
November 2019
| Sat Nov 2 | Lake Washington Half Marathon | Kirkland WA |
| Sat Nov 9 | Klickitat Trail Marathon Half Marathon & 5K | Klickitat WA |
| Sat Nov 16 | Grand Ridge Marathon Half Marathon 50K & 5-Mile | Issaquah WA |
| Thu Nov 28 | Wattle Waddle Marathon & Wittle Waddle Half Marathon | Snohomish WA |
| Sat Nov 30 | Seattle Ghost Marathon Half Marathon & 50K | Seattle WA |
December 2019
| Sun Dec 1 | Seattle Marathon & Half Marathon | Seattle WA |
| Sat Dec 14 | Santa Runs Tacoma Half Marathon 10K & 5K | Tacoma WA |
