Trail Running calendar near Chino Hills 2026-2027

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.

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.

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..

SoCal Spartan Trifecta Weekend at Lake Perris on Jan 23 and 24, 2027 offers 5K, 10K and 21K obstacle races plus kids races and spectator options at a lakeside park with camping and facilities.

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..

A trail race at Lake Hodges on January 24, 2027 featuring 50K, half marathon, 10K and 5K over single track and dirt roads with 100 to 2900 feet of elevation gain. A new DemiGod Challenge combines three distances in one day with a five hour..

A 24 hour trail event at Lake Perris featuring repeated laps of the Molcajete 1.0 loop of just over 4 miles. Available for individuals or four person teams with awards for top finishers.

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.

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 trail race in San Pasqual Valley with 10K, half marathon and 20 mile options through vineyards and orange groves. Longer routes summit Raptor Ridge twice and the finish includes a free local wine tasting. Field limited to 450 runners.

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.

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.

Tough Mudder Los Angeles on March 20, 2027 at Lake Elsinore Raceway blends winding single-track and arid ridges with waterlogged mud obstacles. Event formats include 15+ km and 5 to 8 km courses, an Infinity multi-lap option, and spectator..

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.

On March 20, 2027 a half marathon and 10K run on a hilly course in the Pioneertown Mountains Preserve near Joshua Tree National Park. The event supports the John Wayne Cancer Foundation and offers chip timing, finisher items, and aid statio..

Tough Mudder Los Angeles at Lake Elsinore Raceway on March 20, 2027 offers multiple course options including a 15K with 20 plus obstacles, a shorter 5 to 8 kilometer course, Infinity laps, spectator access, and group packages.

Trail races at The Oaks on Soboba Indian Reservation feature Marathon, Half Marathon, 5K and Kids 3K with Native and Open divisions, proceeds supporting a Noli Indian School scholarship and a course under development.