Trail Running calendar near Alpine 2026-2027

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 in Del Mar. The **3 mile** out and back on groomed trail is limited to 250 participants and includes a throwback shirt and medal from past ERS races.

A free, social, non-competitive trail run in Newport Coast on June 27, 2026, featuring an approximately 5.7 mile hilly route with rocky sections and about 760 feet of gain. Participants should have prior trail running experience.

Muddy Dash San Diego on June 6, 2026 is a noncompetitive 5K with obstacles, mud pits and slides at Barona Oaks Motocross Park, followed by an after party with music, food trucks and drinks. Value and VIP registration options are available.

A 24 hour loop ultrarunning event at Montgomery Waller Community Park featuring a 1.22 mile mixed-surface loop, multiple timed race options, on-course aid and campsite facilities, finisher medals and a $1500 purse for 125 miles.

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.

The 21st Annual Martha Walker Wild Duck is a 5 km cross country race at Guajome Regional Park in Oceanside, California. It is the opening race of the 2026 Dirt Dogs XC Series and includes a race flyer and course maps.

A night trail run on private ranch trails in Alpine, California, under reflective course markers. Multiple loop distances are offered, headlamps are required, camping is available and aid stations will be illuminated.

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 to honor the 403 emergency responders lost on September 11, 2001, raising funds for FirefighterAid with a 2026 goal of $120,000.

A Spartan obstacle weekend at Lake Elsinore Raceway featuring Sprint 5K, Super 10K, kids races and Hurricane Heat formats. Expect rugged trails, mud, varied terrain and onsite spectator options.

A community running event in San Marcos on September 26, 2026 offering a 10K competitive race, a 5K fun run and a free kids trot, with race shirts, wooden medals and an on-site expo.

The Trail & Wine Valle de Guadalupe will take place in Ensenada on Saturday 26 September 2026. You can run between 12 and 50 kilometers.

Cuyamaca 100k is a 100 kilometer trail race in San Diego on Oct 3, 2026, crossing oak woodlands, meadows, pine forest and chaparral. The 2026 event is a Western States 2027 qualifier and supports outdoor education and public lands causes.

Trail races of 10 mile, 10K and 5K run through Gonzales Canyon Open Space in Carmel Valley on October 10, 2026. The courses include the steep section known as Puke Hill and entries are limited to 300 runners.

A multi-distance running event on the Cahuilla Indian Reservation near Anza, CA, featuring a runnable 2 mile loop, fixed-time races and a 100 mile option with a buckle; proceeds support the tribe's 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.

Mountain trail event on October 17, 2026 offering 50K, marathon, and half marathon options that climb to Cuyamaca Peak on single track trails, with substantial elevation change and GPX course files available.

A 200-mile multi-day endurance run around San Diego County from October 23–26 with an 82-hour cutoff, mandatory crew support, a 24-runner field limit, and entry fees that include a charity donation.