San Diego 100
Julian, United States • 6-7 Jun 2025
The San Diego 100 is a challenging 100-mile endurance race set in the scenic mountains of San Diego County, California. Scheduled for June 6, 2025, the event features a loop course that includes approximately 90% single-track trails, traversing notable areas such as the Pacific Crest Trail and various state parks. Participants must complete the race within a 32-hour time limit and are required to meet specific qualification criteria, including prior race completions and volunteer service. The event also includes a Solo Division for runners who choose to compete without crew support. Registration opens on January 1, 2025. Visit the organization's website for the most recent information.