Ultramarathons in Oregon
As of October 6, 2026, Crewable lists 32 upcoming ultramarathons in Oregon from October 2026 to September 2027. The next is Rainbow Ridge 20k/50k on October 10 in Rainbow. Registration is open for 10.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
20 aid
11 aid
2 aid1 aid
Race calendar
October 2026
9 racesNovember 2026
2 racesDecember 2026
1 raceJanuary 2027
1 raceFebruary 2027
2 racesApril 2027
4 racesMay 2027
4 racesJune 2027
4 racesJuly 2027
4 racesSeptember 2027
1 raceQuick answers
What is the next ultramarathon in Oregon?
Rainbow Ridge 20k/50k, on Saturday, October 10, 2026, in Rainbow. Distances: 50K, 20K.
How many ultramarathons in Oregon have open registration?
10 of the 32 list registration as open as of October 6, 2026, including Silver Falls Trail Runs, Elk-Kings Trail Races and Rogue Gorge.
What is the busiest month for ultramarathons in Oregon?
October 2026, with 9 of the 32. April 2027 follows with 4.
Cities in Oregon
Neighboring states
More ways to browse
Race planning
Plan your Oregon 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