Upcoming Half Marathons in Washington

Endurance Grid lists one hundred twenty half marathons in Washington, from October 2026 to October 2027 across 31 cities.

120
Races
31
Cities
11
Sports

Running races in Washington

Your next race is out there. Go find it.

All Washington Running Races

Frequently Asked Questions

How many half marathons are in Washington?
Endurance Grid's Race Calendar lists 120 upcoming half marathons in Washington, in 31 cities, from October 2026 to October 2027.
How long is a half marathon?
A half marathon is a running race where athletes run 13.1 miles long (21.1 kilometers) for time.
Which Washington cities host half marathons?
Half marathons in Washington are held in Seattle, Vancouver, Everett, Olympia, Spokane, Camas, Richland, Kirkland, Pasco, and Redmond, plus 21 other cities.
What other race distances are available in Washington?
Beyond half marathon, Washington races cover a wide range of distances. Washington also has 5Ks, 10Ks, and marathons for running races. Additionally, Endurance Grid's Race Calendar also covers other sports, with aquabike, road cycling, duathlon, gravel, mountain bike, paddle, rucking, running, trail running, triathlon, and ultra races of various distances.