Trail Running calendar near Chula Vista 2026-2027

A trail running event at Mission Trails Regional Park in Santee on May 23, 2026 offering 50K, 25K and 5K courses across steep climbs and rocky descents. Entry is limited to 300 runners.

Free, social group run by Aravaipa at El Moro and Laguna Coast Wilderness Park in Newport Coast on May 30, 2026. The route is about 5.5 miles with roughly 500 feet of ascent, some rocky sections, and post-run snacks and a raffle.

A 50 mile out and back on the Pacific Crest Trail in Cleveland National Forest on June 6, 2026. The route gains about 7,500 feet between 3,000 and 6,000 feet and includes multiple staffed aid stations and specified crew access rules.

A family friendly 5K mud run at Barona Oaks Motocross Park in San Diego on June 6, 2026. The course features mud pits, obstacles, and slides and the day includes a Pre Party and an After Party with music and food trucks.

A trail race at Black Mountain in San Diego with 50K, 25K and a half marathon on June 20, 2026. The event follows Trail Sisters guidelines and features aid stations staffed by ham radio experts.

A free, untimed community trail run on August 26, 2026 at San Andreas Staging Lot in Del Mar, CA. The 3 mile out and back on groomed trail includes a vintage ERS shirt and medal and is limited to 250 participants.

A loop based endurance event at Montgomery Waller Community Park offering 24 hour and shorter timed races plus a HEFFTY half marathon. The course mixes trail, grass and bike path and provides oncourse aid and runner campsite facilities.

Experience a unique desert night run under the Full Buck Moon on a scenic looped course. Choose between distances ranging from 9 miles to a 50k ultramarathon through manzanita groves and single track trails.

Experience trail running in Orange County with several race distances ranging from a 5k to a 6 hour timed challenge. Navigate a scenic 3.3 mile looped course with multiple early bib pickup options available.

Trail races in Pine Valley, California on September 5, 2026 offering 50 kilometer and 15 kilometer options. Both races have fixed cutoffs, marked trails with frequent ribbons, staffed aid stations, and specific rules for pacers, crews, and..

A memorial stair climb in San Diego on September 5, 2026 to honor the 403 emergency responders lost on 9/11 while raising funds for FirefighterAid; the event lists sponsors, team fundraising, registration, and volunteer opportunities.

A weekend of Spartan obstacle races at Lake Elsinore Raceway featuring Sprint and Super distances, kids races, and multi-hour Hurricane Heats on rugged trails beside Lake Elsinore.

A trail event in San Marcos with a 10K, a not-timed 5K Fun Run, and a Kids Trail Trot that climbs to Double Peak summit; finishers receive wooden medals and shirts for the adult distances.

A 100K trail race in Cuyamaca Rancho State Park near Julian, CA, run over three distinct loops that include Cuyamaca Peak and sections of the PCT. The 2026 race is a 2027 Western States qualifier.

Trail races of 10 Mile, 10K and 5K run through Gonzales Canyon Open Space with start and finish at Solana Ranch Park in Carmel Valley. The 10 Mile and 10K include the steep section called Puke Hill and the event is limited to 300 runners.

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.