Anza Borrego Cuyamaca 50 Mile Run

The Cuyamaca 100K is an ultramarathon held in Cuyamaca Rancho State Park near Julian, California, about an hour east of San Diego. The race features a challenging 100-kilometer course composed of three distinct loops starting and ending at Camp Cuyamaca. The first loop covers 31.5 miles on the park'..

The Mount Laguna Trail Marathon, held in Mount Laguna, California, is a well-organized Southern California trail race featuring a challenging single-loop course of technical single-track trails. The marathon covers rolling terrain with a total elevation gain of 3,358 feet. The first half of the cour..

The Dixon Lake 10/10 Trail Race is the 5th annual event held at Daley Ranch in Escondido, California. The event date is December 13, 2025. The venue address is El Caballo Park, 3450 E. Valley Parkway, Escondido, CA 92027. The 10-mile course reaches the top of Stanley Peak and includes a 360-degree..

Del Dios Trail Race, billed as The Race of the Gods, unfolds at Lake Hodges in Escondido, California. The event offers four distances: 5K (3.1 miles), 10K (6.1 miles), Half Marathon (13 miles), and a 50K (31 miles). Courses traverse dirt service roads and single-track trails, with elevation gains ra..

San Diego 50 & Trail Runs is a multi-distance trail running festival staged at the San Pasqual Valley Staging Area in Escondido, California. The lineup includes a 50-mile ultramarathon, a Trail Marathon (plus a 2-person relay), a Trail Heavy Half, Summit Chase 10M (with a youth version), plus Valley..

The Ranch 50k, organized by Second Wind Trail Running, takes place in Daley Ranch, Escondido, California, with the start/finish at Dixon Lake Picnic Area. The 50K is two laps of a 15.6-mile loop, totaling about 6,318 feet of ascent. A half-marathon option uses a single 13.1-mile loop with ~2,706 fee..