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Half Marathon Races in Seattle, Washington
Seattle
Hub
Marathon
Half Marathon
5K
10K
Race List
Seattle
October 31, 2026
Halloween Trick or Trot Run 5K/10K/13.1 SEATTLE
5K
10K
Half Marathon
Seattle
November 7, 2026
Grand Ridge Trail Run
Half Marathon
Marathon
50K
Ultramarathon
Seattle
November 28, 2026
Seattle Ghost Marathon, Half Marathon & 50K
Half Marathon
Marathon
50K
Ultramarathon
Seattle
November 28, 2026
Coffee Lovers Run 5K/10K/13.1 SEATTLE
Half Marathon
10K
5K
Seattle
November 28, 2026
UW Medicine Seattle Marathon & Half Marathon
Half Marathon
Marathon
Seattle
December 12, 2026
Run for Breast Cancer 5K/10K/13.1 SEATTLE
10K
5K
Half Marathon
Seattle
December 26, 2026
A Merry Christmas Run 5K/10K/13.1 SEATTLE
5K
10K
Half Marathon
Seattle
January 16, 2027
MLK Freedom Run 5K/10K/13.1 SEATTLE
5K
1 Mile
10K
Half Marathon
Seattle
January 30, 2027
Coffee Lover Run SEATTLE
Half Marathon
5K
10K
Seattle
February 14, 2027
My Better Half Marathon
5K
10K
Half Marathon
Relay
Seattle
February 20, 2027
Fort Ebey Kettles Trail Run
5K
10K
Half Marathon
Marathon
Seattle
March 14, 2027
Run The Green
Half Marathon
Seattle
April 17, 2027
Squak Mountain
Half Marathon
50K
Ultramarathon
Seattle
May 2, 2027
Kirkland Half Marathon and 5K
5K
Half Marathon
Seattle
May 15, 2027
Soaring Eagle
10K
5K
Half Marathon
Kids
Seattle
June 5, 2027
Seattle Marathon Summer 5K, 10K, Half Marathon & Kids Fun Run
5K
10K
Half Marathon
Seattle
June 6, 2027
The Great Ferry Race
Half Marathon
Seattle
June 13, 2027
Bound for Boston Marathon & Half Marathon
Half Marathon
Marathon
Seattle
August 1, 2027
Craft Classic Half Marathon and 5K
5K
Half Marathon
