Trail Running calendar near Sierra Madre 2025-2026

Wildwood Canyon Trail Run takes place in Wildwood Canyon State Park, Yucaipa, California. The event features an 8-hour loop course: a 3.6-mile loop with roughly 600 feet of vertical gain per lap, offering rugged canyons, meadows, and oak-studded terrain. Runners may complete as many loops as time al..

Griffith Park Trail Marathon takes place in Griffith Park, Los Angeles, at the Merry-Go-Round Lot 1. The event features an out-and-back course weaving through Griffith Park’s epic and secret trails, combining scenic single-track and double-track fire roads, with a route that climbs toward the Hollyw..

The Catalina Island Half-Marathon & 10K is a scenic trail running event held in Avalon, California. The half-marathon covers 13.1 miles, starting in Avalon and passing the historic Wrigley Mansion before entering Catalina Island’s rugged interior. Runners face challenging climbs leading to breathtak..

The Chino Hills Trail Run Series will take place in Brea on Saturday 15 November 2025. You can run between 30 and 50 kilometers.

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, making it pet-friendly. The course starts at Griffin Avenu..

Boundiful Endurance Runs take place at Washburn Ranch in Hemet, California, featuring a one-mile loop on a 100% hardpacked dirt surface through a Southern California fruit and nut farm. The event offers multiple race options including 3, 6, 12, and 24-hour runs, a 100-mile solo challenge, and relay..

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 loss of 2860 feet, making it suitable for experienced runner..

The Ray Miller 50/50 will take place in Malibu on Saturday 6 December 2025. You can run between 30 and 50 miles.

Crystal Cove Trail Run, part of SoCalTrail's season finale, takes place in Crystal Cove State Park in Orange County, near Laguna Beach, with a start and finish moments from the beach. The event offers two distances: the Cut-Across 6k and the El Moro 15k, plus a Kids 1k. Runners tackle fire road clim..

The Paramount Ranch Trail Runs will take place in Agoura Hills on Saturday 20 December 2025. You can run between 10 and 50 kilometers.

Calico Trail Run is held at Historic Calico Ghost Town and the Calico Mountains, about 10 miles north of Barstow, California. The event offers 30K and 50K trail courses through a rugged Mojave Desert landscape, highlighting the dramatic scenery of Calico’s historic mining district. It’s described as..

The Mt. Hollywood 12K Trail Run Hike will take place in Los Angeles on Sunday 25 January 2026. You can run between 5 and 8 miles.

The Sean O'Brien 100K will take place in Calabasas on Saturday 31 January 2026. You can run between 30 and 100 kilometers.

ABetterWorldRunning hosts the Happy Valentine’s Day Grand Prix in Griffith Park, Los Angeles. The event offers multiple distances: 5k, 10k, 15k and a half marathon. The course uses dirt trails on a shared path with pedestrians and equestrians, marked with cones and signs, and runners are asked to ke..

The Nine Trails 35 Mile Endurance Run is a trail running event held in Santa Barbara, California. It offers two distance options: a challenging 35-mile course and a shorter 17-mile route. The event takes place on scenic trails, providing runners with a beautiful and rugged outdoor experience along t..

The Catalina Island Marathon, along with its 10K and 5K distances, takes place in Avalon, California on Catalina Island. The event features the full marathon (26.2 miles), a 10K (6.2 miles), and a 5K (3.1 miles), plus a Kids Run, drawing runners to the island’s scenic trails. It is the oldest trail..

VALENCIA Trail Race takes place in Valencia, California, offering three trail distances: 10K, Half Marathon, and 50K Ultra. Set amid Southern California’s hills, the course climbs to peaks, follows ridgelines, and traverses canyons with panoramic views of the Santa Clarita Valley. The route is 70% s..

Billy Goat Mountain Climb takes place in Silverado, California, in the Cleveland National Forest, with the start/finish on Maple Springs Road near Lost Woman Canyon. The event offers three distances: the Silverado Loop at about 17 miles with roughly 3,800 feet of elevation gain; a half-marathon clim..

Hoppy Easter in Griffith Park, Los Angeles, is an open-course running festival organized by ABetterWorldRunning. The event offers 5k, 10k, 15k, and a half marathon, all run on a dirt trail within the park. The course is marked with cones and signs on a shared path, with pedestrians and equestrians s..

Bedrock Valley Trail Runs is a new trail-running festival staged at Diamond Valley Lake Marina near Hemet, California. Hosted by Elevation Culture, it features a weekend of events including a Trail Marathon, Trail Half Marathon, 15K, 10K, 5K, a Stroller 5K, and a Kid’s 1-Mile Fun Run on Saturday, pl..