50 Mile Races Near San Francisco, CA
As of October 6, 2026, Crewable lists 6 upcoming 50 mile races near San Francisco, CA from October 2026 to May 2027. The next is Sonoma Fall Classic on October 17 in Healdsburg, CA. Registration is open for 1.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
Race calendar
October 2026
1 raceDecember 2026
1 raceFebruary 2027
1 raceMarch 2027
1 raceMay 2027
2 racesQuick answers
What is the next 50 mile race near San Francisco, CA?
Sonoma Fall Classic, on Saturday, October 17, 2026, in Healdsburg, CA. Distances: 100 mi, 50 mi, Marathon.
What is the closest 50 mile race to San Francisco?
Hunter S. Thompson Fear & Loathing in San Francisco, CA, about 2 miles from San Francisco, on December 6, 2026.
How many 50 mile races near San Francisco, CA have open registration?
1 of the 6 list registration as open as of October 6, 2026, including Sonoma Fall Classic.
What is the busiest month for 50 mile races near San Francisco, CA?
May 2027, with 2 of the 6. October 2026 follows with 1.
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