100 Mile Races in Washington
As of October 6, 2026, Crewable lists 11 upcoming 100 mile races in Washington from November 2026 to September 2027. The next is Willapa Trail Festival on November 7 in Chehalis.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
Race calendar
November 2026
1 raceFebruary 2027
1 raceMarch 2027
1 raceApril 2027
1 raceJune 2027
3 racesJuly 2027
3 racesSeptember 2027
1 raceQuick answers
What is the next 100 mile race in Washington?
Willapa Trail Festival, on Saturday, November 7, 2026, in Chehalis. Distances: 100 mi, 50 mi, 50K.
What is the busiest month for 100 mile races in Washington?
June 2027, with 3 of the 11. July 2027 follows with 3.
Cities in Washington
Neighboring states
More ways to browse
Race planning
Plan your Washington race
Aid stations, cutoffs and pacing in one free plan. Crew invites and race-day updates come with a Race Pass.
Plan a race free