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Half Marathons in Washington

  1. Races by State
  2. Washington
  3. Half Marathon

Browse Half Marathon races in Washington, including upcoming races and races up to one year past their event date. Sort by highest rating or number of reviews to elevate the most popular races.

For each Half Marathon race, you’ll find key details, finisher ratings and reviews, photos, videos, related articles, race-day weather data and a link to register.

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Showing Half Marathons in Washington

Jasper Mountain Trail Fest
Dayton, WA | Jun 21, 2025

OVERALL

(0 ratings)

0
Run Super Series Super Fast Half Marathon
Snoqualmie Pass, WA | Jun 21, 2025

OVERALL

(3 ratings)

4.3
Seattle Marathon Summer 5K, 10K & Half Marathon
Seattle, WA | Jun 21, 2025

OVERALL

(1 rating)

5
Snoqualmie Valley Half
Carnation, WA | Jun 21, 2025

OVERALL

(34 ratings)

4.6
Tiger Mountain Trail Run
Issaquah, WA | Jun 21, 2025

OVERALL

(0 ratings)

0
Wild Woman Marathon, Relay, 50K & Half
Trout Lake, WA | Jun 21, 2025

OVERALL

(1 rating)

5
Tiger Peak Challenge 🏆
Issaquah, WA | Jun 28, 2025

OVERALL

(10 ratings)

4.7
Mountain Magic Trail Run
Mead, WA | Jun 29, 2025

OVERALL

(0 ratings)

0
Devil’s Gulch
Wenatchee, WA | Jul 12, 2025

OVERALL

(7 ratings)

4.7
Kill Bill’s Oyster Dome Challenge 50K & 25K
Blanchard Mountain, WA | Jul 12, 2025

OVERALL

(0 ratings)

0
Mount Rainier Half Marathon, 10K & 5K
Enumclaw, WA | Jul 18–19, 2025

OVERALL

(121 ratings)

4.5
Olympia Lakefair Races
Olympia, WA | Jul 19, 2025

OVERALL

(2 ratings)

5
Buckley to Orting B&O Half Marathon
Orting, WA | Jul 20, 2025

OVERALL

(1 rating)

5
Jack & Jill’s Downhill Marathon & Half
Snoqualmie Pass, WA | Jul 26–27, 2025

OVERALL

(32 ratings)

3.8
Craft Classic Half Marathon & 5K Seattle
Redmond, WA | Jul 27, 2025

OVERALL

(29 ratings)

4.6
Beast of Big Creek Trail Races
Hoodsport, WA | Aug 2, 2025

OVERALL

(0 ratings)

0
Galloping Gertie Half Marathon
Gig Harbor, WA | Aug 2, 2025

OVERALL

(1 rating)

2
Volcanic 50
Stevenson, WA | Aug 2–3, 2025

OVERALL

(1 rating)

4
Cougar Mountain Trail Run Series #4
Bellevue, WA | Aug 9, 2025

OVERALL

(0 ratings)

0
Larrabee Lakes
Bellingham, WA | Aug 9, 2025

OVERALL

(0 ratings)

0

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