2024-2025 Washington Half Marathon Race Calendar

Washington Half Marathons by Date

Browse all Washington half marathons in 2024 and 2025 by month and by city below.

For each race, you’ll find the history of the half marathon and the course, the most recent year’s course maps, elevation profiles, runner reviews, pricing, and how to sign up. When you view a race, you might also find contact info if you’re having problems with your registration or need to contact the race directors.

We dedicated dozens of hours every month searching for races to include in the Washington half marathons calendar.

If you happen to see any half marathon not included, contact us at info@halfmarathons.net to submit your race.

Looking for the best Washington half marathons for you? Beneath the Washington half marathon calendar we’ve provided answers to frequently asked questions.

Upcoming 2024 Washington Half Marathons

April 2024

The Split Half Marathon, 10K, and 5K a Featured Washington Half Marathon

May 2024

Sat May 4 Fire on the Mountain Half White Salmon WA
Sat May 4 Pirate 5k 10k & Half Marathon Everett WA
Sat May 4 Pirate 5k 10k & Half Marathon Yakima WA
Sun May 5 Mother's Day Half Marathon & 5k Kirkland WA
Sun May 5 Pacific Coast Running Festival Long Beach WA
Sun May 5 Snohomish Women's Run Half Marathon 10k & 5k Snohomish WA
Mon May 6 Sequim Irrigation Festival Run Series Half Marathon Sequim WA
Sat May 11 Jewel of the Valley Marathon Half Marathon 10k & 5k Yakima WA
Sat May 11 Ninja 5k 10k & Half Marathon Olympia WA
Sat May 11 San Juan Island Half Friday Harbor WA
Sat May 18 Never Say Never Half Marathon & 10k Tieton WA
Sat May 18 Rattlesnake Hills Wine Run Half Marathon 15k & 10k Zillah WA
Sat May 18 Run Like a Girl Half Marathon & 10k Bellingham WA
Sat May 18 Soaring Eagle Trail Run Half Marathon 10k & 5k Sammamish WA
Sat May 18 Viking 5k 10k & Half Marathon Everett WA
Sun May 19 Capital City Half Marathon Olympia WA
Sun May 19 Reflection Run Half Marathon 10k & 5k Washougal WA
Sun May 19 Windermere Marathon Half Marathon 10k & 5k Spokane WA

June 2024

Sat Jun 1 & Sun Jun 2 Echo Valley Trail Runs Chelan WA
Sat Jun 1 Green River Marathon Half Marathon & Relay Kent WA
Sat Jun 1 Lake Wilderness Multisport Half Marathon Maple Valley WA
Sat Jun 1 Pirate 5k 10k & Half Marathon Everett WA
Sun Jun 2 North Olympic Discovery Marathon & Half Marathon Port Angeles WA
Sat Jun 8 Ninja 5k 10k & Half Marathon Olympia WA
Sat Jun 8 Stache Dash Run Half Marathon 10k & 5k Spokane Valley WA
Sun Jun 9 Great Ferry Race Half Marathon Seattle WA
Sat Jun 15 San Juan Island Marathon Half Marathon & 10k Friday Harbor WA
Sat Jun 15 Tiger Mountain Trail Run 50k Half Marathon 12k & 5k Issaquah WA
Sat Jun 15 Viking 5k 10k & Half Marathon Everett WA
Sat Jun 15 White Salmon Backyard Half & 4M White Salmon WA
Sat Jun 22 Seattle Marathon: Summer Events Half Marathon 10k & 5k Seattle WA
Sat Jun 22 Snoqualmie Valley Half & 10k Carnation WA
Sat Jun 22 Super Fast Half Snoqualmie Pass WA
Sat Jun 29 Tiger Peak Challenge 50k Half Marathon & 5M Issaquah WA

July 2024

Fri Jul 5 Cherry Bomb Run 50k Marathon & Half Marathon Bothell WA
Sat Jul 6 Bottle Rocket Run 50k Marathon & Half Marathon Seattle WA
Sat Jul 6 Pirate 5k 10k & Half Marathon Everett WA
Sat Jul 6 Pirate 5k 10k & Half Marathon Yakima WA
Sat Jul 13 Devil's Gulch 50M & Half Marathon Wenatchee WA
Fri Jul 19 Mount Rainier Half Marathon Ashford WA
Sat Jul 20 Olympia Lakefair Half Marathon 8K & 3K Olympia WA
Sat Jul 20 Viking 5k 10k & Half Marathon Everett WA
Sun Jun 21 B&O Half Marathon & 10k Buckley WA
Sat Jul 27 & Sun Jul 28 Jack and Jill's Downhill Marathon & Half Marathon North Bend WA
Sun Jul 28 Craft Classic Seattle Half Marathon & 5k Redmond WA

August 2024

Sat Aug 3 Galloping Gertie Half Marathon 10k & 5k Gig Harbor WA
Sat Aug 3 Pirate 5k 10k & Half Marathon Everett WA
Sat Aug 3 Pirate 5k 10k & Half Marathon Yakima WA
Sat Aug 10 Tacoma Narrows Half Marathon & 5k Tacoma WA
Sat Aug 17 Twilight at the Bay Half Marathon 10k & 5k University Place WA
Sat Aug 17 Viking 5k 10k & Half Marathon Everett WA
Sun Aug 18 Half Sam Issaquah WA
Sun Aug 25 Iron Horse Half Marathon North Bend WA
Sat Aug 31 Magnuson Series – Summer Spirit Run Half Marathon 15k 10k & 5k Seattle WA

September 2024

October 2024

November 2024

December 2024

January 2025

February 2025

March 2025

Frequently Asked Questions About Washington Half Marathons

What are the most popular Washington half marathons?

The most popular Washington half marathons are the Seattle Half Marathon with 3,109 finishers in 2023. Followed by the Mount Rainier Half Marathon with 1,391 finishers in 2023.

What are the best Washington half marathons for beginners in 2024?

The Washington half marathons that we recommend most frequently for beginners are the:

  • Seattle Half Marathon: A large, well produced half marathon with a course around downtown Seattle and Green Lake.
  • Mount Rainier Half Marathon: A moderate course with 900 ft of elevation gain, with gorgeous views of Mt. Rainier, and a generous four hour time limit.
  • Iron Horse Half Marathon: A course along Olallie State Park finishing in North Bend with scenery of the river and woods with the entire thirteen miles downhill.

What’s the best month to run a half marathon in Washington?

September is the most popular month to run a half marathon in Washington.

What are the most popular cities to run Washington half marathons?

Seattle is the most popular city to host Washington half marathons.


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