Half Marathon Races in Seattle, Washington
Race List
September 19, 2026
Orca Half Marathon
September 26, 2026
Oktoberfest Run 5K/10K/13.1 SEATTLE
September 26, 2026
Fidalgo Trail Run
October 4, 2026
Poulsbo Half Marathon and 10K
October 10, 2026
Bagel Run 5K/10K/13.1 SEATTLE
October 17, 2026
Lake Washington Half Marathon
October 31, 2026
Halloween Trick or Trot Run 5K/10K/13.1 SEATTLE
November 7, 2026
Grand Ridge Trail Run
November 28, 2026
Seattle Ghost Marathon, Half Marathon & 50K
November 28, 2026
Coffee Lovers Run 5K/10K/13.1 SEATTLE
November 28, 2026
UW Medicine Seattle Marathon & Half Marathon
December 12, 2026
Run for Breast Cancer 5K/10K/13.1 SEATTLE
December 26, 2026
A Merry Christmas Run 5K/10K/13.1 SEATTLE
February 20, 2027
Fort Ebey Kettles Trail Run
March 14, 2027
Run The Green
May 2, 2027