Trail Running calendar near Chula Vista 2026-2027

A team trail relay at Los Coyotes Reservation on October 23-24, 2026 covering 112.8 miles and 23,800 feet elevation gain with camping and village amenities.

A multi-distance trail event at Lake Perris featuring 10, 20, 50, 100, and 200 mile courses, substantial elevation gain, aid stations, pacer rules, group camping, and cash prizes for 100 and 200 mile podiums.

Trail races at Caspers Wilderness Park in San Juan Capistrano across multiple distances including 10k, half marathon, 35k, marathon and 50k. The event features marked courses, aid stations and participant merchandise.

A trail event at Crystal Cove State Park on October 31, 2026 featuring a 4 mile loop with about 700 feet of climb per lap and ocean ridge views. The race is USATF sanctioned and part of the Southern California UltraRunner's Grand Prix Serie..

Trail running in the Pine Creek Wilderness on a wide dirt fire road with an out and back layout. The course climbs to a turnaround and returns downhill, with a 10 km option and parking at Horsethief Canyon Trailhead.

Live Oak Odyssey is a fixed time trail running event at O'Neill Regional Park offering 3, 6 and 8 hour looped runs on a roughly 2.75 mile loop with about 500 feet of elevation gain per loop and a main aid station.

Roosters Backyard Ultra is a backyard-format race on November 14, 2026 in the San Diego area, featuring a smooth hard-packed trail with a gentle hill. The event allows dogs and car camping and has a registration deadline of November 1.

A November trail event at Black Mountain Ranch Park offering a Half Marathon, 10K and 5K on 100% dirt with single track and significant climbing. Field size is limited to 300 and the race is an ERS Championship qualifier.

One mile loop ultra on hardpacked dirt with timed 3, 6, 12 and 24 hour options plus relay teams. Live chip timing, free on course camping, continuous food service, and a 31 hour buckle challenge to reach 100 miles.

A 50 mile point to point trail race through Cleveland National Forest and Cuyamaca Rancho State Park, featuring Stonewall Peak and Oriflamme Canyon. Aid stations, drop bag rules, shuttle options, and finish amenities at Stagecoach Trails ar..

A trail running event at Crystal Cove State Park in Newport Beach on December 12, 2026 offering 15K, 6K and a Kids 1K. The 15K includes a $2,000 prize purse and multiple aid stations on marked singletrack.

Trail races at Daley Ranch near Escondido with 10 Mile, 10K and 5K courses on single track and dirt roads; the 10 Mile reaches Stanley Peak for a 360 degree view and the event limits entries to 300 runners.

Trail races in San Diego on December 20, 2026, including a marathon, half marathon, 10K, and a 6 hour hill-climb lap event. Costume awards and King and Queen of the hill titles are part of the day.

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.

Jan 23 and 24 2027 Spartan weekend at Lake Perris featuring Sprint 5 km, Super 10 km, Beast 21 km and kids races. The course is described as flat and fast and includes multiple obstacles.

Del Dios Trail Race at Lake Hodges in Escondido offers 50K, half marathon, 10K and 5K courses on dirt roads and single track trails with 100 to 1000 feet of elevation. A new Hercules DemiGod Challenge combines the half, 10K and 5K within fi..

Trail races at Daley Ranch on February 13, 2027 include a 50K (two 25K loops) and a half marathon, three fully stocked aid stations, defined cut off times, and pre race training runs.

A 10th annual trail race in San Pasqual Valley with three distances through vineyards and orange groves. Half and 20 mile courses summit Raptor Ridge twice and the finish features a free local wine tasting; field limited to 450.

A self supported trail run in San Diego on 20 February 2027. Participants follow an unmarked single loop of about 51 miles with no aid stations and limited resupply points along the route.

Sycamore Canyon on February 27, 2027 offers 100K and 50K options in solo and 4 person relay formats, plus a Half Marathon on a loop course at Goodman Ranch Sycamore Canyon Preserve near Poway, CA.