1 aidTimed Ultras in California
As of October 6, 2026, Crewable lists 24 upcoming timed ultras in California from October 2026 to September 2027. The next is Ridge Creek Run Club 12 Hour Ultra on October 10 in Dinuba. Registration is open for 7.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
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1 aidRace calendar
October 2026
5 racesNovember 2026
4 racesDecember 2026
2 racesJanuary 2027
2 racesFebruary 2027
1 raceMarch 2027
3 racesApril 2027
3 racesMay 2027
1 raceJuly 2027
2 racesSeptember 2027
1 raceQuick answers
What is the next timed ultra in California?
Ridge Creek Run Club 12 Hour Ultra, on Saturday, October 10, 2026, in Dinuba. Distances: 12 hr.
How many timed ultras in California have open registration?
7 of the 24 list registration as open as of October 6, 2026, including Ridge Creek Run Club 12 Hour Ultra, Wildwood Canyon Trail Runs and HALLOWEEN SPOOKTACULAR 6 HOUR AND 4 HOUR TRAIL RUN.
What is the busiest month for timed ultras in California?
October 2026, with 5 of the 24. November 2026 follows with 4.
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