Trail Running calendar near Glendale 2025-2026

The Harding Hustle is a challenging trail running event held in the scenic Cleveland National Forest and Santa Ana Mountains near Silverado, California. It offers three distances: 50K, 30K, and 15K, all primarily on the Harding Truck Trail, featuring steep climbs, exhilarating descents, and breathta..

Tough Mugu is a challenging trail running event held in Malibu, California, as part of the Bulldog Challenge Series. Taking place at the La Jolla Group Campground in Point Mugu State Park, it features a 25k and a 10k course with stunning coastal mountain views. The race offers fully-supported course..

The SoCal Summer 6K/12K, organized by Pasadena Running Company, is a vibrant trail running event set in Lower Arroyo Park, Pasadena. Participants can choose between two distances: a 6K and a 12K trail run, both designed to showcase the area's beautiful interconnected trails. The event features a wav..

The Riley Park Trail Races is a family-friendly event held at Thomas F. Riley Wilderness Park in Orange County. The race offers various distances, including a 30k, half marathon, 10-miler, 10k, Riley Park 6-hour, and 5k, catering to runners of all levels.Participants can enjoy scenic single and doub..

The Green Valley Lake Half Marathon, along with 5K and 10K events, is scheduled for August 2, 2025, in the scenic San Bernardino Mountains. Participants will enjoy a picturesque course that begins with a flat loop around the lake, followed by a gradual ascent with a 400-foot elevation gain, offering..

The Angeles Crest 100 Mile Endurance Run, held annually since 1986, is a challenging point-to-point ultramarathon in the San Gabriel Mountains of Southern California. Covering 100 miles from Wrightwood to Altadena, the course features elevations from 1,135 to 9,300 feet, with steep climbs, rocky ter..

The Saddleback Wilderness 5k Trail Run is an exciting running event set in the scenic Saddleback Wilderness, located in Orange, California. Scheduled for August 6, 2025, this race features a 5k course that includes both fire roads and single-track trails, with an elevation gain of 300 feet. Particip..

The Bulldog Ultra is Southern California's oldest 50k trail race, held annually in the scenic Santa Monica Mountains. Celebrating its 33rd year, the event features challenging courses with stunning views of the mountains and ocean. Participants can choose between a 50k Ultra and a 25k Trail Run, bot..

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 to the summit of Mt. Baldy at 10,064 feet, featuring a steep 4,000-foot elevation gain.This iconic Southern California..

The Gypsum Canyon Wilderness 5k is a trail running event set in the scenic Gypsum Canyon Wilderness in Anaheim, California. Participants will navigate a 5k course featuring fire roads and single track trails, with an elevation gain of 350 feet. The race includes one aid station providing water and e..

That's No Moon Trail Races take place in the rugged Cleveland National Forest and Santa Ana Mountains near Silverado, California. The event offers challenging trail runs in three distances: 50 miles, 50K, and 30K. Participants navigate demanding courses with significant elevation gains, exposed ridg..

No Name 5025 is a trail running event held at Cheeseboro National Park in Woodland Hills, California. It features a challenging 50k ultramarathon, along with a half-marathon, 5k, and a kids’ 2k fun run. The course offers diverse terrain, including runnable ascents, winding singletracks, steep fire r..

The Cheeseboro Canyon Trail Run is a scenic event held in Cheeseboro National Park, California, featuring multiple race distances including a 50K ultra marathon, a half marathon, a 5K trail run, and a kids' 2K fun run. The course offers diverse terrain with runnable ascents, winding single tracks, s..

The Angeles National Forest Trail Race is a challenging running event held in the San Gabriel Mountains, starting and finishing at the Mt. Wilson Observatory. The race offers two distances: 25K and 50K, with elevation gains of 3,500 and 7,000 feet respectively.Participants enjoy scenic, rugged trail..

The Bandit Ultra Trail is a premier trail running event held in Simi Valley, California, at Corriganville Park. Offering three race distances—50K, 30K, and 15K—the course traverses the scenic Rocky Peak area, known for its striking sandstone boulders, oak savannahs, and diverse wildlife habitats. Ru..

The Kodiak Ultra Marathons by UTMB is a multi-day trail running event held in Big Bear Lake, California, offering a variety of race distances, including 100 miles, 100K, 50K, 21K, and 10K. The race features stunning views of Big Bear Lake and traverses diverse landscapes such as high desert, sub-alp..

The SPACEROCK Trail Race is an annual 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+ (nearly 14 miles with over 3,200 feet of elevation gain), 15K, 1..

The Pasadena Trail Half Marathon is a premier running event hosted by Pasadena Running Company, featuring challenging routes that highlight the scenic trails of Pasadena. Scheduled for October 19, 2025, this event offers three distance options: a Half Marathon, 10K, and 5K, catering to runners of al..

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

The Machete Trail Madness 100 Miler is a challenging ultramarathon event held in Lake Perris, California, featuring a 100-mile, 50-mile, and 10-mile race. Scheduled for October 31, 2025, this event is known for its tough course, with a 10-mile loop that includes 2,300 feet of elevation gain per lap...