6 aidUltramarathons Near San Diego, CA
As of October 6, 2026, Crewable lists 27 upcoming ultramarathons near San Diego, CA from October 2026 to July 2027. The next is That's No Moon Trail Races on October 10 in Silverado, CA. Registration is open for 9.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
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5 aidRace calendar
October 2026
7 racesThe Peak 50K, Marathon & Half Marathon
Julian, CA10,000 ft gain50KMarathon+1Open until Oct 15from $115
November 2026
4 racesDecember 2026
3 racesJanuary 2027
2 racesFebruary 2027
2 racesMarch 2027
3 racesApril 2027
1 raceMay 2027
2 racesJuly 2027
3 racesQuick answers
What is the next ultramarathon near San Diego, CA?
That's No Moon Trail Races, on Saturday, October 10, 2026, in Silverado, CA. Distances: 50 mi, 50K, 30K.
What is the closest ultramarathon to San Diego?
Lake Hodges Trail Festival in San Diego, CA, about 1 mile from San Diego, on October 17, 2026.
How many ultramarathons near San Diego, CA have open registration?
9 of the 27 list registration as open as of October 6, 2026, including Lake Hodges Trail Festival, The Peak 50K, Marathon & Half Marathon and HALLOWEEN SPOOKTACULAR 6 HOUR AND 4 HOUR TRAIL RUN.
What is the busiest month for ultramarathons near San Diego, CA?
October 2026, with 7 of the 27. November 2026 follows with 4.
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