Trail Running calendar near Trabuco Canyon 2026-2027

A Stadion 5 km obstacle race with 20 obstacles at Angel Stadium of Anaheim, plus a kids race and spectator tickets. The event has a 4.8 rating from 40 testimonials and offers team entry options and a service member discount.

An evening trail event in Griffith Park featuring a 10 Mile Relay for teams, a 5K solo race, and a 1K kid run, plus live music, race photos, finisher medals and on-course medical support.

An evening trail event in Topanga's Red Rock Canyon featuring a 10k with significant vertical and a non timed 4.5 mile Hiker's Delight. The event includes aid stations, a beer garden for 21 plus, vegan tacos, sports massage and awards.

An urban event in downtown Los Angeles with a stair climb up 1,664 steps at the U.S. Bank Tower, an Urban Hike past major cultural sites, a Heroes Challenge category, and a virtual participation option.

A weekend of Spartan obstacle races at Lake Elsinore Raceway on Sep 26 and 27, 2026 featuring Sprint and Super courses, kids races, Hurricane Heat challenges, and spectator access near a large natural freshwater lake.

A 3.1 mile trail event at Ascot Hills Park in Los Angeles with chip timing and views of Dodger Stadium and the Hollywood sign. Proceeds support the Wilson High School Fire and Police Magnet Cadet Program and Ascot Hills Park.

A trail ultramarathon at Mt. Disappointment in the Angeles National Forest offering 25K and 50K options. Technical single-track courses include substantial elevation gain, staffed aid stations, and awards for top finishers.

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.

A themed run in Long Beach on September 27 with Half Marathon, 10K, 5K, a family mile and kids dash, ocean views, chip timing and a pizza themed finish line festival.

A single-day *100 mile* ultramarathon through the San Gabriel backcountry, held since 1986; the event features volunteer-run aid stations, trail work programs, and qualifying status for major ultraraces.

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.

A 9.1 mile loop from the Mt Baldy ski area to the 10,064 ft summit of Mt San Antonio via exposed ridgeline and technical alpine trails, then back to the parking lot. The race is capped at 500 runners.

A 5K at Ernie Howlett Park on the Palos Verdes Peninsula with a shaded horse-trail course, in-person and virtual options, and a fundraising entry where raising $100 covers registration and benefits Strides in Recovery.

The ABWR Half Marathon - Valencia will take place in Santa Clarita on Sunday 4 October 2026. You can run between 5 and 13 miles.

A two-day mountain trail festival in Big Bear Lake with five race distances, varied alpine and desert terrain, UTMB World Series Major status, and opportunities for qualification to major trail events.

On October 10, 2026 That's No Moon offers 50 Mile, 50K and 30K races in the remote Santa Ana Mountains near Silverado. Courses run on forest roads with significant elevation gain, staffed aid stations, and mandatory self-sufficiency require..

A trail race in Gonzales Canyon Open Space with 10 Mile, 10K and 5K courses. Start and finish are at Solana Ranch Park and the 10 Mile and 10K include the locally known Puke Hill.

Ruff Run California on 10/17/2026 in Phelan, CA presents a 20 acre obstacle course for people and their dogs with over 20 obstacles, 4K and 1K options, and an after party with music, games and vendors.

A multi distance event on the Cahuilla Indian Reservation near Anza, California featuring a runnable 2 mile loop, timed 6 12 and 24 hour events, a 100 mile race, a half marathon, and a tribal 5k. Net proceeds support local youth programming..

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.