Welcome to the premier 100 mile running event in San Diego

Scenic & Challenging 100 Miles in Mt Laguna Recreational Area and along the Pacific Crest, Noble Canyon, and Lake Cuyamaca Trails; 14th Annual Event

LATEST NEWS:

San Diego 100 is pleased to announce our new premier sponsor: Altra Running Footwear. The Altra link with information on their Zero Drop shoes is located on the Sponsor Page.

The current 2015 entrants are listed on the Entrant's side bar link.

The start and finish line are at Lake Cuyamaca which is located at 15207 Highway 79 near Julian, CA. The Lake Cuyamaca web site (with information about camping and RV reservations) is located at: Lake Cuyamaca Website.

Registration for the 2015 event lottery opened at 8:00 am PST on January 1, 2015 using Ultrasignup. There was a four day registration period, followed by a lottery to select the 250 entrant field. An ordered waitlist is now posted for those not selected in the entrant lottery.

Qualification requirements to enter the 2016 event are as follows: Applicants must have completed an official 50 mile race in less than 13 hours from January 1,2014 to January 1, 2016. Anyone who has completed an official 100K or 100 mile run in the last 2 years (January 1, 2014 to January 1, 2016 is also qualified to apply.

Questions not covered on the race website can be directed to: scottemills51@gmail.com