Trail Running calendar near Calabasas 2026-2027

A Thanksgiving morning trail race in the Santa Monica Mountains with half marathon, 10k and 5k options, ocean and valley views, finisher medals, free course photos, a beer garden and taco breakfast, and a canned food drive for the West Vall..

A Thanksgiving morning 1K/5K/10K on the Huntington Beach coastline that raises funds with World Help to drill clean water wells; routes run along the pier and Main Street with on-site check-in and nearby parking.

A 28k trail run in Fremont Canyon at Irvine Regional Park featuring about 3800 feet of elevation change and four aid stations. The course runs on fire roads, is cupless, and participants are asked to carry personal hydration.

Ray Miller 50/50 in Malibu on December 5, 2026 offers three trail distances: 50 Miler, 50K and 30K. Registration opens April 1 and closes June 1.

A night trail race in Tarzana on December 5, 2026, with lighted routes through the Santa Monica Mountains. Offered as 5K and 10K, the event has notable elevation, aid stations, required headlamps, and post race medals and shirts.

Trail races at Crystal Cove State Park near the beach featuring a 15k with a $2,000 prize purse, a 6k and a Kids 1k; courses include aid stations, marked single track and post-race amenities like breakfast and free photography.

A multi-distance run at Griffith Park on December 19, 2026, with 5k, 10k, 15k and half marathon options on a marked dirt trail and an aid station at the turnaround.

Trail races on Catalina Island featuring a 50 Mile and a 50K course that start and finish in Avalon. Organized by the Avalon Lions Club to raise funds for island charities and schools, with ocean views and possible bison sightings.

A 68 miles point to point trail event across the Backbone Trail in the Santa Monica Mountains on January 16, 2027, with about 13,600 feet of climbing. Solo entrants need a prior 50 miles finish; relay teams of two, three, or four are allowe..

Event Overview This event takes place in Griffith Park, Los Angeles. It offers several trail run and hike distances. The start/finish location is on a fire road just north of the Old Zoo. Distances Participants can choose from the following..

Trail running and hiking events in Griffith Park on 01/24/2027 with 8 Mile, 8K, 5K and 2.2K courses; the 8 Mile is an out-and-back to a Hollywood Sign viewpoint. Marked courses have aid stations, chip timing, finisher medals and event shirt..

Trail races in Calabasas, California on January 30, 2027 offering 100K, 50M, 50K, marathon and 30K distances. The 100K is a 2026 WS100 qualifier and registration opens July 1, 2026.

A four-leg trail relay at Griffith Park run on the one mile Observatory Loop. Teams of two alternate laps, exchange a baton in a marked zone, and must use a headlamp while on course.

Timed 6 hour, 12 hour and 24 hour events on a rolling 2.2 mile loop at Will Rogers State Park in Pacific Palisades. Solo and relay entries, with a stocked aid station each loop and crew access for longer distances.

Trail races on private Tejon Ranch near Lebec, CA offering 100k, 50k, 25k and 11k courses with large elevation changes, aid stations, chip timing, camping options and a finish festival with food and a beer garden.

Santa Barbara Nine Trails is a trail running event in Santa Barbara, CA on March 13, 2027, offering 35 mile and 17 mile race options organized by AllWeDoIsRun.

A series of road and trail races on Catalina Island around Avalon and Two Harbors, including a 26.2-mile trail marathon, 10K, 5K and a 1K kids run with island and ocean views.

Trail running event in Santa Barbara CA on March 13, 2027 offering 35 mile and 17 mile courses, organized by AllWeDoIsRun.

Trail running event in Valencia, California on March 20, 2027, offering 10K, half marathon and 50K ultra courses with significant climbing, single-track sections, aid stations and chip timing.

A multi-distance trail running event in Lake Hughes CA on April 17, 2027, offering 100 mile, 100 kilometer, 50 mile, 50 kilometer and 30 kilometer races, with Western States qualifiers and an AC100 Sterling Silver Ticket for the 50 mile.