San Diego 100 Mile Endurance Run

  • 06 Jun 2025
  • 6:00 AM (PDT)
  • Lake Cuyamaca

Our beloved local 100 miler is back in 2025 for the 2nd year on the new course!

Early bird entry for SURF members will be announced in December via email.

Learn more here:

https://sandiego100.com/


Mission Statement:

San Diego Ultra Running Friends supports our diverse running and trail community, providing our members with happy, healthy opportunities to run, race, volunteer, and socialize.  We work to create an inclusive environment to cultivate friendships, provide encouragement, and celebrate every runner.  We also encourage members to maintain local running and hiking trails for public benefit to foster environmental awareness in parks and national forests.

Copyright © 2023 San Diego Ultra Running Friends 

San Diego Ultra Running Friends is a 501(c)(3) non-profit organization. 


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