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What Is the San Diego 100 Course Like?: The San Diego 100 is a 100-mile endurance race run in the Mt Laguna Recreational Area and along the Pacific Crest, Noble Canyon, …
What Special Options or Discounts Are Available for San Diego 100 Runners?: The San Diego 100 offers three runner-specific accommodations: a one-hour early start for runners over 60, up to two free entries…
How to Register for the 2027 San Diego 100: Registration for the 2027 San Diego 100 opens January 1 at 12:01 AM and is first-come, first-served. You register through the Ult…
What Are the Qualification Requirements for the 2027 San Diego 100?: The 2027 San Diego 100 requires applicants to have completed an official 50-mile race within a specified time limit. The exact cu…
What Is sandiego100.com? The San Diego 100-Mile Endurance Race Explained: sandiego100.com is the official website for the San Diego 100-Mile Endurance Race (SD100), an annual 100-mile trail ultramarathon…