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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

San Juan Island Half 🏆
Friday Harbor, WA | May 10, 2025

OVERALL

(24 ratings)

4.8
Snohomish Women’s Run
Everett, WA | May 10, 2025

OVERALL

(4 ratings)

4.8
Leavenworth Mai Blumenlauf
Leavenworth, WA | May 11, 2025

OVERALL

(2 ratings)

4
Mermaid Run Spokane
Spokane, WA | May 11, 2025

OVERALL

(0 ratings)

0
Dirty Turtle
Bremerton, WA | May 17, 2025

OVERALL

(0 ratings)

0
Rattlesnake Hills Wine Run
Zillah, WA | May 17, 2025

OVERALL

(1 rating)

1
Run Like a Girl Bellingham
Bellingham, WA | May 17, 2025

OVERALL

(0 ratings)

0
Sun Mountain 50M, 50K, 20M & 25K
Winthrop, WA | May 17–18, 2025

OVERALL

(1 rating)

4
Capital City Marathon & Half Marathon
Olympia, WA | May 18, 2025

OVERALL

(7 ratings)

4.1
Reflection Run
Washougal, WA | May 18, 2025

OVERALL

(1 rating)

5
Windermere Marathon & Half Marathon (US) 🏆
Spokane, WA | May 18, 2025

OVERALL

(28 ratings)

4.8
Leavenworth Trail Fest
Leavenworth, WA | May 24, 2025

OVERALL

(0 ratings)

0
Evergreen Soaring Eagle Trail Run
Sammamish, WA | May 31, 2025

OVERALL

(17 ratings)

4.4
Pacific Coast Running Festival
Long Beach, WA | May 31, 2025 – Jun 1, 2025

OVERALL

(1 rating)

5
Evergreen Half
Lake Stevens, WA | Jun 1, 2025

OVERALL

(4 ratings)

4.3
Run the 509
Deer Park, WA | Jun 1, 2025

OVERALL

(0 ratings)

0
Evergreen Echo Valley Trail Runs 🏆
Chelan, WA | Jun 7–8, 2025

OVERALL

(13 ratings)

4.8
Green River Marathon, Relay & Half
Kent, WA | Jun 7, 2025

OVERALL

(0 ratings)

0
Lake Wilderness Run
Maple Valley, WA | Jun 7, 2025

OVERALL

(0 ratings)

0
North Olympic Discovery Marathon
Port Angeles, WA | Jun 7–8, 2025

OVERALL

(10 ratings)

4

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