Trail Running calendar near South El Monte 2025-2026

The Chino Hills Trail Run Series, held at Chino Hills State Park in Brea, California, offers challenging trail races in scenic natural surroundings. The fall event features 30K and 50K distances, with well-marked courses that traverse hilly..

The 4 Mile Hill Challenge is a rolling, all-trail race held at Debs Park in Los Angeles, with the Audubon Center at Debs Park serving as the start and finish. The event features a 4-mile run/walk/hike and a Run4Paws (Love Your Pet) division..

Trip to: The Red Tail Roost Agua Dulce loop Trail is a 5-mile moderate trail run in the Cleveland National Forest near Mt. Laguna, California. The course winds through peaceful, wooded terrain that may be icy or snowy in late fall, so rider..

Event The Boundiful Endurance Runs is scheduled for November 29, 2025, at Washburn Ranch in Hemet, CA. The event offers multiple race formats and timed-duration events. 100m Relay Event 24hrs 12hrs 6hrs 3hrs Course and support The course..

Event details Ray Miller 50/50 is scheduled for Saturday, December 6, 2025, at Point Mugu State Park in Malibu, CA. The event listing states the 2025 edition is sold out. A waitlist is maintained and the listing indicates waitlisted entrant..

The Fremont Canyon 28k Trail Run is an exciting running event taking place in Irvine Regional Park, Orange, California. Scheduled for December 6, 2025, this challenging 28k (17.5 miles) course features fire roads with an elevation gain and..

Mulholland Under the Stars Trail Race The event takes place on Saturday, December 13, 2025, at Marvin Braude Mulholland Gateway Park in Tarzana, CA, with the start and finish at the trailhead lot. It is a night trail race run on fire roads..

Run for a Claus presented by Optima Tax Relief is an annual charity run in Irvine, California, hosted on the University of California, Irvine Ring Road campus. The event features a 5K and a Kids 1 Mile Run/Walk, with virtual 5K and virtual..

Take in ocean views at Crystal Cove State Park on December 13, 2025 with 15K, 6K and kids 1K options for every pace. Finishers get medals and shirts, free photos and a festive post race beer garden and breakfast.

Event details Paramount Ranch Trail Runs is a trail running event scheduled for December 20, 2025, at Paramount Ranch in Agoura Hills, California. The event is described as a return to the local trails after recent years. The National Park..

Event details Ring in the New Year is a running event at Whittier Narrows Recreation Area on Sunday, January 4, 2026. The course uses marked out-and-back loops on the beach path and is an open course shared with other pedestrians, runners,..

Event overview The Hollywood Sign Run | Hike takes place in Griffith Park on January 25, 2026. The event uses a scenic out-and-back course to the Hollywood Sign Viewpoint and includes views of the Griffith Observatory, Downtown Los Angeles,..

The Sean O'Brien event in Calabasas, California, offers multiple trail running distances including 100K, 50 miles, 50K, marathon, and 30K. The 100K race serves as a qualifier for the 2026 Western States 100. The course features scenic trail..

Boney Mountain Trail Run takes place in Thousand Oaks, California, starting from Rancho Sierra Vista / Satwiwa in the Santa Monica Mountains. It offers a Half Marathon (13.1 miles, ~2,780 ft gain) and a 7k Trail Run (4.4 miles, ~664 ft gain..

Event details The event is scheduled for Saturday, February 14, 2026, at Griffith Park in Los Angeles. Distances offered: 5k 10k 15k Half marathon All finishers receive a medal and a goodie bag. Results are typically posted on the event p..

Event overview The 2026 Catalina Island Marathon, 10K, 5K is scheduled for March 14, 2026 in Avalon, CA (90704). This edition is the 48th annual running of the event. The marathon is listed as California’s State Off-Road Marathon Championsh..

Event details Singletrack Stampede is a trail run in Calabasas, CA, held at 4232 Las Virgenes Road. The event is listed as Race #2 of the SoCalTrail "Trail ½ Series" for 2026. Registration is noted as coming soon. Distances: 22K..

VALENCIA Trail Race : March 21, 2026 The VALENCIA Trail Race takes place in Valencia, California on March 21, 2026. The event offers three trail distances: 50K Half Marathon (13.1 mi / 21 km) 10K Entry fees are listed per distance on the..

Point Mugu Trail Run : Malibu, CA The event is Race #3 of the SoCalTrail "Trail ½ Series" (six half-marathons in 2026). It takes place at Point Mugu State Park, starting at the Ray Miller Trail Head in La Jolla Canyon near 9000 W...

Event overview The Hoppy Easter race is held at Griffith Park, Los Angeles, on Saturday, April 4, 2026. Distances offered: 5k - out-and-back route 10k - two 5k loops 15k - three 5k loops Half marathon - three 4.36 mi loops Every participa..