Trail Running calendar near Valencia 2025-2026

The Bulldog Ultra, held in Malibu Creek State Park, Calabasas, CA, is Southern California's oldest 50k trail race, celebrating 33 years in 2025. Offering both 50k and 25k distances, the course features challenging climbs with 5,784 and 2,947 feet of elevation gain respectively, winding through the s..

The OC Trail Runners Group Run is a free, social, and non-competitive trail running event held in Newport Coast, California, at El Moro and Laguna Coast Wilderness Park. Designed for runners with some trail experience, the group enjoys a relaxed pace and changing routes each time. The upcoming run c..

The Los Angeles Sunset Trail Relay is a scenic trail running event held in Griffith Park, Los Angeles, featuring a 15K solo race, a 5K solo race, and a 30K relay for teams of four. Set during the golden hour, runners experience panoramic views of Griffith Park, Downtown LA, the LA River, and Glendal..

The Mount Baldy Run to the Top is a challenging 7-mile trail race held in Mount Baldy, California. Celebrating its 60th running, the race starts at 6,000 feet elevation and ascends 4,000 feet to the summit of Mt. Baldy, the third tallest mountain in Southern California at 10,064 feet.This event serv..

The Gypsum Canyon Wilderness 5k is a trail running event held at Gypsum Canyon Wilderness in Anaheim, California. The 3.3-mile course features a mix of fire roads and single-track trails with an elevation gain of 350 feet, offering a moderately challenging run through natural terrain. Participants w..

That's No Moon Trail Races, held in Silverado, California, offers challenging trail running events in the rugged Cleveland National Forest and Santa Ana Mountains. The race features three distances: 50 miles, 50 kilometers, and 30 kilometers, all traversing technical single-track trails and 4x4 jeep..

The Angeles National Forest Trail Race, celebrating its 20th anniversary, takes place in the scenic San Gabriel Mountains at Mt. Wilson, California. Offering two challenging distances, the 25K features 3,500 feet of elevation gain, while the 50K includes 7,000 feet, both starting and finishing at th..

The Bandit Ultra Trail is a premier trail running event held in Simi Valley, California, at Corriganville Park. Set against the scenic backdrop of Rocky Peak's mountains and steep canyons, the race offers stunning views of sandstone boulders, oak savannahs, and diverse wildlife habitats. Participant..

Live Oak Odyssey is a fixed-time trail running event held at O'Neill Regional Park in Trabuco Canyon, California. Participants choose between 3-hour and 6-hour races on a scenic 2.75-mile loop featuring approximately 500 feet of vertical gain per lap. The course offers a mix of uphills, downhills, s..

The Rock It in Chino Hills 5K & 10K is a trail running and hiking event held at Chino Hills State Park in Brea, California. Participants can choose between a 5K or 10K course that showcases the park's stunning and expansive trails, offering scenic views and a tranquil outdoor experience. The race in..

The SPACEROCK Trail Race is an exciting trail running event held at the iconic Vasquez Rocks Natural Park in Agua Dulce, California. Scheduled for October 18, 2025, it offers multiple race distances including a challenging Half Marathon+ (just under 14 miles with over 3,200 feet of elevation gain),..

The Pasadena Trail Half Marathon, hosted by Pasadena Running Company, takes place at Hahamongna Watershed Park in Pasadena, California. This event offers three distance options: 5K, 10K, and a challenging half marathon. The half marathon course spans 13.1 miles with an elevation gain of 1,855 feet,..

The Twilight's Last Gleaming Cross Country Challenge will take place in Ventura on Saturday 25 October 2025.

The No Name Trail Races, held in Agoura, California within Cheeseboro National Park of the Santa Monica Mountains, offer a variety of trail running distances including a challenging 50K ultra marathon, a half marathon, a 5K trail run, and a new kids 2K fun run. The courses feature diverse terrain wi..

No Name 5025 is a challenging trail running event held at Cheeseboro Canyon in Woodland Hills, California. Featuring a 50k ultramarathon, a half-marathon, a 5k trail run, and a kids' 2k fun run, the race offers diverse terrain including runnable ascents, winding singletracks, steep fire road climbs,..

The Cheeseboro Canyon Trail Run, hosted by SoCalTrail, is a popular, low-key event held in Cheeseboro National Park near Agoura, California. It features multiple race distances including a challenging 50k ultramarathon, a half-marathon, a 5k trail run, and a kids' 2k fun run. The course offers diver..

The Santa Cruz Island Eco-Extreme Trail Half Marathon is a challenging 13.3-mile trail race held on Santa Cruz Island in Channel Islands National Park, California. Organized by the Ventura County Sheriff's Search and Rescue Upper Ojai Team, this rugged course features steep hills, creek crossings, a..

The Santa Clarita Trail Race is an epic trail running event held in the golden hills of Santa Clarita, California, specifically at East Walker Ranch in Placerita Canyon. Set in a historic area where gold was first discovered in 1842, the race offers stunning and diverse landscapes featuring challeng..

The Griffith Park Trail Marathon is a scenic trail running event held in Los Angeles, California, within the iconic Griffith Park. The race features multiple distances including a marathon, 50K, 30K, half marathon, and 10K, all showcasing a mix of beautiful single-track trails and double-track fire..

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..