Trail Running calendar near Chula Vista 2026-2027

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.

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 trail race on November 28, 2026 at Black Mountain Ranch Park offering a half marathon, 10K and 5K on dirt single track and service roads. The field is limited to 300 runners and the event serves as an ERS Championship qualifier.

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 10 mile, 10K and 5K courses from El Caballo Park. The 10 mile route climbs Stanley Peak for a 360 degree view and courses feature single track and dirt service road with notable elevation gain.

A holiday trail event in San Diego with marathon, half marathon, 10K and a new six hour Hill Climb on a 2.5 mile loop. The event includes solo and team costume awards and King and Queen of the hill honors.

Experience a diverse trail running event in Escondido featuring everything from a 50 mile ultra to a stroller friendly 5k. Explore the valley floor or climb to the summit of Raptor Ridge in this cupless race series.

A Spartan Race weekend at Lake Perris State Recreation Area on Jan 23 and 24, 2027 features 5K, 10K and 21K obstacle races plus a kids race. The course is described as flat and fast with lakeside views and park facilities.

A trail race at Lake Hodges on January 24, 2027 featuring 50K, half marathon, 10K and 5K over single track and dirt roads with 100 to 2900 feet of elevation gain. A new DemiGod Challenge combines three distances in one day with a five hour..

Trail races at Daley Ranch in Escondido, CA include a 50K (two 15.6 mile loops, 6,318 ft gain) and a 13.1 mile half, with three stocked aid stations, set cutoffs, race shirts, finisher medals, and awards.

A 10th annual trail race in San Pasqual Valley offering 20 mile, half marathon, and 10K courses through vineyards and orange groves, with Raptor Ridge climbs for the longer distances and a complimentary wine tasting at the finish.

Self supported single-loop trail run of about 51 miles in San Diego on Feb 20, 2027. No fees, no aid and no course marking; participants must navigate and carry supplies.