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Half Marathons Near Seattle
Showing the next 50 runs that match your filters
Featured
Last Chance Marathon and Half Marathon
Chuckanut & Larrabee Aid Stations!
Date: Dec 31, 2026 - Thursday
Size: 100 - 500 participants
Location: Bellingham, Washington
Featured
Oktoberfest Run 5K/10K/13.1 - Seattle
Dash of Bavarian spirit!
Date: Sep 26, 2026 - Saturday
Size: 100 - 500 participants
Location: Seattle, Washington
Fidalgo Trail Run
Date: Sep 26, 2026 - Saturday
Size: 100 - 500 participants
Location: Anacortes, Washington
Oktoberfest Run 5K/10K/13.1 - Seattle
Date: Sep 26, 2026 - Saturday
Size: 100 - 500 participants
Location: Seattle, Washington
Run or Wine 5K Series - September
Date: Sep 27, 2026 - Sunday
Size: 500 - 1,000 participants
Location: Woodinville, Washington
Are you organizing a running event?
Run for the Gnomes
Date: Oct 3, 2026 - Saturday
Size: 100 - 500 participants
Location: Maple Valley, Washington
Poulsbo Half & 10K
Date: Oct 4, 2026 - Sunday
Size: 500 - 1,000 participants
Location: Poulsbo, Washington
Middle Fork Trail Run
Date: Oct 10, 2026 - Saturday
Size: 100 - 500 participants
Location: North Bend, Washington
Bagel Run 5K/10K/13.1 - Seattle
Date: Oct 10, 2026 - Saturday
Size: 100 - 500 participants
Location: Seattle, Washington
Snohomish River Run Marathon
Date: Oct 11, 2026 - Sunday
Size: 1,000 - 5,000 participants
Location: Snohomish, Washington
Dick's-A-Thon
Date: Oct 17, 2026 - Saturday
Size: 100 - 500 participants
Location: Seattle, Washington
Lake Washington Half Marathon
Date: Oct 17, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Kirkland, Washington
Dick's-A-Thon
Date: Oct 17, 2026 - Saturday
Size: 100 - 500 participants
Location: Seattle, Washington
Halloween Trick or Trot Run 5K/10K/13.1 - Seattle
Date: Oct 31, 2026 - Saturday
Size: 100 - 500 participants
Location: Seattle, Washington
Grand Ridge Trail Run
Date: Nov 7, 2026 - Saturday
Size: 100 - 500 participants
Location: King County, Washington
Run the Bay
Get 10% Off - Use Code RG10
Date: Nov 8, 2026 - Sunday
Size: 100 - 500 participants
Location: University Place, Washington
Run for Mental Health 5K/10K/13.1 - Seattle
Date: Nov 14, 2026 - Saturday
Size: 100 - 500 participants
Location: Seattle, Washington
Coffee Lovers Run 5K/10K/13.1 - Seattle
Date: Nov 28, 2026 - Saturday
Size: 100 - 500 participants
Location: Seattle, Washington
UW Medicine Seattle Marathon
Date: Nov 29, 2026 - Sunday
Size: 5,000 - 10,000 participants
Location: Seattle, Washington
Redmond Reindeer Romp
Date: Dec 5, 2026 - Saturday
Size: 100 - 500 participants
Location: Redmond, Washington
Santa Runs Tacoma
Get 10% Off - Use Code runguides
Date: Dec 12, 2026 - Saturday
Size: 1,000 - 5,000 participants
Location: Tacoma, Washington
Pigtails Run
Date: Dec 12, 2026 - Saturday
Size: 100 - 500 participants
Location: Maple Valley, Washington
Run for Breast Cancer 5K/10K/13.1 - Seattle
Date: Dec 12, 2026 - Saturday
Size: 100 - 500 participants
Location: Seattle, Washington
A Merry Christmas Run 5K/10K/13.1 - Seattle
Date: Dec 26, 2026 - Saturday
Size: 100 - 500 participants
Location: Seattle, Washington
Last Chance Marathon and Half Marathon
Date: Dec 31, 2026 - Thursday
Size: 100 - 500 participants
Location: Bellingham, Washington
Frost Eagle Trail Run
Date: Jan 16, 2027 - Saturday
Size: 100 - 500 participants
Location: Sammamish, Washington
MLK Jr. Freedom Run 5K/10K/13.1 - Seattle
Date: Jan 16, 2027 - Saturday
Size: 100 - 500 participants
Location: Seattle, Washington
Lunar New Year Run 5K/10K/13.1 - Seattle
Date: Feb, 2027 (TBD)
Size: 100 - 500 participants
Location: Seattle, Washington
My Better Half Marathon
Date: Feb, 2027 (TBD)
Size: 500 - 1,000 participants
Location: Seattle, Washington
Woolley Trail Runs
Date: Feb 13, 2027 - Saturday
Size: 1 - 100 participants
Location: Sedro-Woolley, Washington
Valentine's Day Run 5K/10K/13.1 - Seattle
Date: Feb 13, 2027 - Saturday
Size: 100 - 500 participants
Location: Seattle, Washington
Run Together Against Breast Cancer - Seattle
Date: Feb 27, 2027 - Saturday
Size: 100 - 500 participants
Location: Seattle, Washington
Lake Sammamish Half
Date: Mar, 2027 (TBD)
Size: 500 - 1,000 participants
Location: Redmond, Washington
Woodinville Half
Date: Mar, 2027 (TBD)
Size: 500 - 1,000 participants
Location: Woodinville, Washington
St. Paddy’s Day Run Tacoma
Date: Mar 13, 2027 - Saturday
Size: 1,000 - 5,000 participants
Location: Tacoma, Washington
Run The Green
Date: Mar, 2027 (TBD)
Size: 500 - 1,000 participants
Location: Kent, Washington
St. Paddy's Day Lucky Run - Seattle
Date: Mar 20, 2027 - Saturday
Size: 100 - 500 participants
Location: Seattle, Washington
Dash Point Trail Run
Date: Mar, 2027 (TBD)
Size: 100 - 500 participants
Location: Federal Way, Washington
Mill Town Half Marathon
Date: Mar 27, 2027 - Saturday
Size: 1,000 - 5,000 participants
Location: Everett, Washington
Always Hope Easter Run 5K/10K/13.1 - Seattle
Date: Mar 27, 2027 - Saturday
Size: 100 - 500 participants
Location: Seattle, Washington
Run for Bagels 5K/10K/13.1 - Seattle
Date: Apr 10, 2027 - Saturday
Size: 100 - 500 participants
Location: Seattle, Washington
Earth Day Run
Date: Apr, 2027 (TBD)
Size: 100 - 500 participants
Location: Seattle, Washington
Squak Mountain Trail Run
Date: Apr, 2027 (TBD)
Size: 100 - 500 participants
Location: Issaquah, Washington
Seattle Cherry Blossom Run
Date: Apr, 2027 (TBD)
Size: 10,000+ participants
Location: Seattle, Washington
Bremerton Marathon
Date: Apr, 2027 (TBD)
Size: 100 - 500 participants
Location: Bremerton, Washington
Coffee Lover Run 5K/10K/13.1 - Seattle
Date: Apr 24, 2027 - Saturday
Size: 100 - 500 participants
Location: Seattle, Washington
Whidbey Island Marathon
Date: Apr, 2027 (TBD)
Size: 1,000 - 5,000 participants
Location: Langley, Washington
Tacoma City Marathon
Date: May 1-2, 2027 - Saturday to Sunday
Size: 1,000 - 5,000 participants
Location: Tacoma, Washington
Cinco De Mayo Run 5K/10K/13.1 - Seattle
Date: May, 2027 (TBD)
Size: 100 - 500 participants
Location: Seattle, Washington
Kirkland Half & 5K
Date: May, 2027 (TBD)
Size: 500 - 1,000 participants
Location: Kirkland, Washington
Mt. Si Relay & Trail Runs
Date: May, 2027 (TBD)
Size: 500 - 1,000 participants
Location: Snoqualmie, Washington
Snohomish Women's Run
Date: May 8, 2027 - Saturday
Size: 1,000 - 5,000 participants
Location: Snohomish, Washington
