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Discover the Best Half Marathons In Washington

Browse our listing of half marathons in Washington to find one that suits your goals. Plus, get training tips. For a full list of events, check out our calendar.

Washington Half Marathons

Today
My Better Half Marathon Seattle, Washington
Lord Hill Trail Run Snohomish, Washington
Jewel Of The Valley 5K / 10K / Half / Marathon Yakima, Washington
Dash Point Federal Way, Washington
Yakima River Canyon Marathon and Half-Marathon Ellensburg, Washington
Mill Town Marathon Port of Everett, Washington
The Split Half Marathon, 10k & 5k Spokane, Washington
Wenatchee Marathon Wenatchee, Washington
Squak Mountain Issaquah, Washington
Spring Classic Duathlon Vancouver, Washington
Whidbey Island Marathon 2025 Oak Harbor, Washington
Tacoma City Marathon, Half Marathon & 5K Tacoma, Washington
Kirkland Half Marathon and 5K Kirkland, Washington
San Juan Island Half Anacortes, Washington
Snohomish Women’s Run Snohomish, Washington
Run Like a Girl Fairhaven Park, Washington Fairhaven Park,
Capital City Marathon, Half Marathon & 5 Mile Olympia, Washington
Windermere Marathon & Events Spokane, Washington
Reflection Run Washougal, Washington
Soaring Eagle 5K, 10K and Half Marathon Sammamish, Washington
Pacific Coast Running Festival Long Beach Peninsula
Evergreen Half Marathon & 5 Mile Snohomish, Washington
North Olympic Discovery Marathon (5K / 10K/ Half / Full / Relay / Kids Marathon) Port Angeles, Washington
Echo Valley Trail Run Chelan, Washington
The Great Ferry Race Bainbridge Island, Washington
Snoqualmie Valley Half Carnation, Washington
The Super Marathon Snoqualmie, Washington
Wild Woman Marathon, 50K Trail Run Trout Lake, Washington
Seattle Marathon Summer 5K, 10K, Half Marathon & Kids Fun Run Seattle, Washington
Tiger Peak Challenge Issaquah, Washington
Devil’s Gulch Ultra and Half Marathon Wenatchee, Washington
Mount Rainier Half Marathon, 10K & 5K Ashford, Washington
B & O Half Marathon and 10K Buckley, Washington
Jack & Jill’s Downhill Marathon North Bend, Washington
Craft Classic Half Marathon and 5K Seattle, Washington
Galloping Gertie Half Marathon/10k/5k Gig Harbor, Washington
Tunnel Vision Marathon North Bend, Washington
Twilight At The Bay Tacoma, Washington
Iron Horse Half Marathon North Bend, Washington
Peacehealth Appletree Marathon, Half Marathon and 5K Vancouver, Washington
Cascade Express Marathon and Half Marathon Snoqualmie, Washington
GOAT Run (Great Olympic Adventure Trail Run) Port Angeles, Washington
Tunnel Light Marathon North Bend, Washington
Mud Mountain Dam Half Marathon & 5K Buckley, Washington
Orca Half Marathon Seattle, Washington
Bellingham Bay Marathon 2025 Bellingham, Washington
Fidalgo Trail Run Oak Harbor, Washington
Leavenworth Marathon Leavenworth, Washington
Girlfriends Half Marathon, 10K & 6K Vancouver, Washington
Run The Bay University Place, Washington