San Diego 100

Name: San Diego 100
Start: 2025-06-06T06:00:00+00:00
End: 2025-06-07T14:00:00+00:00
Location: 15027 Highway 79, Lake Cuyamaca, CA, USA

Running
161 km

15027 Highway 79, Lake Cuyamaca, CA, USA

Friday, 6/6/2025 at 6:00 AMh until Saturday, 6/7/2025 at 2:00 PMh

San Diego 100 Team

About the Event

Event Details

Date: June 6, 2025

Start Time: 6:00 AM PT

Location: South parking area of Lake Cuyamaca Recreation Area, 15027 Highway 79, Lake Cuyamaca, CA

Course Description

The San Diego 100 course encompasses roughly 90% single track trails, with sections traversing the Pacific Crest Trail, Noble Canyon, and various state parks. The race features approximately 15,400 feet of climbing and a completion cutoff of 32 hours.

Qualification Requirements

Participants must complete a 50-mile race in under 13 hours or a 100K/100-mile race within specific time limits between January 1, 2023, and May 1, 2025. Volunteer service or donations to support trail work are also required.

Registration Information

Registration opens on January 1, 2025, and will close when the first 300 entrants are recorded. A waitlist will be maintained thereafter. A special early start option is available for runners over 60 years of age.

Special Notes

Higher entry fees due to mandatory medical support requirements.
10% discounts available for active military and first responders.
A Solo Division to recognize self-supported runners.