Trail Running calendar near Descanso 2026-2027

Timed 6-, 12-, and 24-hour running events at Lake Cuyamaca on a scenic 2 mile loop near Julian, CA, with on-site dining, a store, and camping and RV options.

Tough Mudder Los Angeles on March 20, 2027 at Lake Elsinore Raceway is a mud obstacle event over scrubland and motor-cross terrain. Race options include 15 plus km, 5 to 8 km, Infinity laps, spectator access, and group packages.

Tough Mudder Los Angeles at Lake Elsinore Raceway on March 20, 2027 offers multiple course options including a 15K with 20 plus obstacles, a shorter 5 to 8 kilometer course, Infinity laps, spectator access, and group packages.

Trail races at The Oaks on Soboba Indian Reservation feature Marathon, Half Marathon, 5K and Kids 3K with Native and Open divisions, proceeds supporting a Noli Indian School scholarship and a course under development.

Coast to Crest in Del Mar features out-and-back 10K and 5K courses on hard-packed dirt with minimal elevation and a downhill finish. Wide lagoon views and possible osprey sightings accompany a fast, groomed trail that doubles as a champions..

Multi distance trail running and gravel bike events at Diamond Valley Lake in Hemet, California. Routes include lakeside loops, out and back courses, a stroller 5K and a kids fun run.

Two days of obstacle-course racing at Pala Fox Raceway featuring Sprint, Super and Kids races. Courses include mud pits, rope climbs and varied terrain, with a post-race festival for finishers.

Oriflamme 50K on April 10 2027 is an out and back trail race that drops from the Pacific Crest Trail into desert canyons before a long climb back. The event is limited to 150 runners and features stocked aid stations and finisher medals.

A 100-mile trail endurance race in the Mount Laguna area using Pacific Crest, Noble Canyon and Lake Cuyamaca trails. The event is a Western States qualifier, is cupless, and requires volunteer hours or a TrailFit donation.

A self-supported marathon in San Diego run as a memorial. There is no official aid, markings, or timing; participants may run any portion and provide their own support. The course passes Torrey Pine North parking with restrooms and water.

Trail races at O'Neill Park in Trabuco Canyon offer distances from 10k to 50k on park trails. Registration opens Dec 1, 2026 and the event does not offer refunds, though rollovers are allowed for weather or fire cancellations.