Races Near Mammoth Lakes, CA
As of October 6, 2026, Crewable lists 11 upcoming races near Mammoth Lakes, CA from October 2026 to April 2027. The next is Ridge Creek Run Club 12 Hour Ultra on October 10 in Dinuba, CA. Registration is open for 9.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
Race calendar
October 2026
8 racesNovember 2026
2 racesApril 2027
1 raceQuick answers
What is the next race near Mammoth Lakes, CA?
Ridge Creek Run Club 12 Hour Ultra, on Saturday, October 10, 2026, in Dinuba, CA. Distances: 12 hr.
What is the closest race to Mammoth Lakes?
Range of Light Trail Races in Bishop, CA, about 32 miles from Mammoth Lakes, on October 24, 2026.
How many races near Mammoth Lakes, CA have open registration?
9 of the 11 list registration as open as of October 6, 2026, including Ridge Creek Run Club 12 Hour Ultra, OktoberFest Run and The Fresno Donut Run.
How many of the races near Mammoth Lakes, CA are ultramarathons?
3 of the 11 are ultramarathons (longer than a marathon, or a backyard, timed or 200+ mile format). The other 8 are shorter races.
What is the busiest month for races near Mammoth Lakes, CA?
October 2026, with 8 of the 11. November 2026 follows with 2.
Nearby cities
Nearby states
Race planning
Plan your Mammoth Lakes 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