Trail Running calendar near Cowles Mountain 2026-2027

A multi-format running event on the Cahuilla Indian Reservation in Anza, California, offering fixed-time races, a 100-mile option, a half marathon and a Tribal Member 5k while fundraising for youth and family programs.

Experience a diverse weekend of trail running and off road duathlon at San Diego’s Scenic Lake Hodges. Choose from distances ranging from a kid’s mile to a 50K ultra marathon or tackle the mountain bike and run challenge.

The Peak offers 50K, marathon and half marathon courses that climb Cuyamaca Peak via single-track trails, with aid stations at Sweetwater and Cuyamaca Peak and GPS course files provided. Registration opens April 1, 2026.

A 200 mile multi-day endurance run around San Diego County held October 23–26 in Escondido, California. The race has an 82 hour limit, requires a crew, and is limited to 24 experienced ultrarunners.

A trail race weekend at Los Coyotes Reservation featuring Single Loop, 6H Ultra and 24H Ultra options across desert and alpine trails. Ragnar Village provides camping, bonfires, food trucks and evening activities.

A team trail relay at Los Coyotes Reservation on October 23 and 24, 2026 featuring desert and mountain single track, a 112.8 mile course shared across teams, and on site camping plus glamping at Ragnar Village.

A trail running event at Caspers Wilderness Park on October 24, 2026, offering 10k, half marathon, 35k, marathon and 50k courses. Courses are described as marked and supported, with an athlete guide and past results available.

A multi-distance ultramarathon at Lake Perris featuring looped courses, significant elevation, on-course aid stations, group camping, pacer rules, and cash prizes for 100- and 200-mile podiums. The 200-mile race is noted as especially deman..

A timed trail event at Crystal Cove State Park in Laguna Beach on October 31, 2026, offering separate 6 hour and 4 hour options, on-site parking with a $15 card-only fee, and a registration deadline of Oct 28.

Trail race in the Pine Creek Wilderness on a wide dirt fire road with an uphill out and downhill return, offering a half marathon and a 10 km option and parking at Horsethief Canyon Trailhead.

Trail races from Black Star Canyon near Silverado, CA, with marathon, new 25k, half and 10k distances; marathon gains 4,244 ft and multiple aid stations are located along the route.

A six hour timed run on a five mile loop around a San Diego lake with chip timing and four aid stations. The course is mostly flat with a few gentle hills and includes on-course support and a post-race lunch.

Fixed-time trail events of three, six and eight hours on an approximately 2.75 mile loop at O'Neill Regional Park in Trabuco Canyon. Wooded trails with about 500 feet of gain per loop and a main aid station with food and hydration.

Rooster's Backyard Ultra returns to Rohr Park for its third edition, using a repeated-lap backyard ultra format on a smooth hard-packed trail with a single gentle hill; dogs and car camping are allowed.

A mud and obstacle focused 5K at Oak Canyon Park in Irvine on November 21, 2026, featuring mud pits, walls, ropes, monkey bars and a festival area with vendors and food.

Trail races of Half Marathon, 10K and 5K take place at Black Mountain in San Diego on November 28, 2026. Courses run on dirt with hill climbs and technical sections and the field is limited to 300 runners.

Endurance event at Washburn Ranch, Hemet CA, on a one mile hardpacked dirt loop offering 100 miles, relay teams, and 24 hour, 12 hour, 6 hour and 3 hour formats with chip timing, live tracking, camping and onsite food.

A point-to-point 50-mile trail race from Sunrise Trailhead to Stagecoach Trails RV Resort, crossing Cuyamaca Rancho State Park and Stonewall Peak before descending Oriflamme Canyon. A 14.5 hour cutoff and an optional $15 pre-race shuttle ar..

Crystal Cove Trail Run in Laguna Beach offers marked trail races of 15K, 6K and a Kids 1k with aid stations, course photography and on site amenities. The 15K includes a $2,000 prize purse and age group awards.

Trail races at Daley Ranch in Escondido offer 5K, 10K and a 10 mile course that climbs Standley Peak for a 360 degree view. The event limits fields to 300 runners and lists varied elevation gain by course.