5 aid50 Mile Races in California
As of October 6, 2026, Crewable lists 21 upcoming 50 mile races in California from October 2026 to June 2027. The next is Euchre Bar Massacre on October 10 in Foresthill. Registration is open for 5.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
5 aid
21 aid
18 aid
1 aidRace calendar
October 2026
3 racesDecember 2026
3 racesJanuary 2027
3 racesFebruary 2027
4 racesMarch 2027
1 raceApril 2027
3 racesMay 2027
3 racesJune 2027
1 raceQuick answers
What is the next 50 mile race in California?
Euchre Bar Massacre, on Saturday, October 10, 2026, in Foresthill. Distances: 50 mi, 25 mi.
How many 50 mile races in California have open registration?
5 of the 21 list registration as open as of October 6, 2026, including Sonoma Fall Classic, Anza Borrego Cuyamaca 50 Mile Run and Ray Miller 50/50.
What is the busiest month for 50 mile races in California?
February 2027, with 4 of the 21. October 2026 follows with 3.
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