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50 mile races in California

The 35 50 mile ultramarathons in California, with each one's climb, cutoff and date. Every race links to its own page, where you can see how it fits the runner you are now.

RaceDistanceWhereDateClimbCutoff
Coke and Donuts Two Fiddy50 MilesVENTURA, CASep 12, 2026—13.5 h
Dick Collins Firetrails 50 Mile50 MilesCastro Valley, CASep 26, 20268,500 ft15.5 h
Euchre Bar Massacre50 MilesForesthill, CAOct 10, 202620,000 ft19 h
Ruth Anderson50 MilesSan Francisco, CAOct 10, 2026—13 h
That's No Moon Ultras50 MilesSilverado, CAOct 10, 20269,440 ft16.75 h
Sonoma Fall Classic50 MilesHealdsburg, CAOct 17, 202610,612 ft14 h
San Diego Endurance Run50 MilesEscondido, CAOct 23, 2026—14 h
Machete Trail Madness 50 Miler50 MilesPerris, CAOct 28, 2026—24 h
Anza Borrego Cuyamaca 50 Mile Run50 MilesJulian, CADec 5, 20265,500 ft14.5 h
Ray Miller 50/5050 MilesMalibu, CADec 5, 20269,321 ft15 h
Hunter S. Thompson Fear & Loathing50 MilesSan Francisco, CADec 6, 20263,300 ft11 h
Avalon Benefit Run50 MilesAvalon, CAJan 9, 20278,000 ft12 h
San Diego 50 and Trail Runs50 MilesEscondido, CAJan 9, 20274,000 ft14 h
Golden Gate Spartan Trail Classic50 MilesSan Francisco, CAJan 23, 20277,239 ft14 h
Sean O'Brien 100K/50M 26.2/30K50 MilesCalabasas, CAJan 30, 202711,493 ft—
Jed Smith50 MilesSacramento, CAFeb 6, 2027—10.5 h
Monterey Ultra50 MilesMonterey, CAFeb 6, 20277,080 ft13.967 h
Happy Chinese New Year50 MilesSan Diego, CAFeb 20, 20275,000 ft12 h
Marin Ultra Challenge50 MilesSausalito, CAMar 13, 202710,550 ft14.5 h
American River 50 Mile Endurance Run50 MilesSacramento, CAApr 3, 20274,580 ft14 h
Lake Sonoma 100K50 MilesHealdsburg, CAApr 10, 202710,500 ft—
Run4Kids 24 Hour Running Party50 MilesCorona, CAApr 16, 2027—13.5 h
Leona Divide Run50 MilesLake Hughes, CAApr 17, 20277,884 ft17 h
Outlands50 MilesPilot Hill, CAApr 17, 20276,100 ft13.5 h
Las Virgenes Canyon Trail Races52.2 miLos Angeles (West Hills), CAApr 24, 2027——
Coyote Two Moon Ultras55 MilesOjai, CAApr 30, 202714,583 ft29 h
Wild Wild West Marathon And Ultra50 MilesLone Pine, CAMay 1, 2027—14 h
Bishop High Sierra50 MilesBishop, CAMay 15, 2027—13.5 h
Rim Rock 50 Mile Trail Challenge50 MilesNapa, CAMay 15, 2027—14 h
Malibu Canyon Trail Races50 MilesMalibu, CAJun 5, 20278,740 ft17.5 h
Cool Moon Trail Runs50 MilesCool, CAJun 12, 20276,700 ft13.5 h
The San Francisco Marathon52.4 MilesSan Francisco, CAJul 25, 20272,400 ft11.967 h
Folsom 10054 MilesGranite Bay, CAJul 30, 2027—14.5 h
Bulldog Ultra Run & 25K Trail Run75 KMCalabasas, CAAug 14, 20278,358 ft10 h
Run-de-Vous50 MilesSan Martin, CAAug 27, 2027—13.5 h