Trail Running calendar near Green Valley Lake 2025-2026

The Mt. Hollywood 12K Trail Run Hike is an exciting outdoor event taking place in Griffith Park, Los Angeles, featuring multiple race options including a 12K trail run, an 8K run, a 5K challenge, and a kid's 2.2K run. Participants can enjoy stunning views of the Hollywood Sign, Griffith Observatory,..

The Griffith Park Trail Marathon is a celebrated running event taking place in Los Angeles, California, featuring multiple race distances including a 50K, marathon, 30K, half marathon, and 10K. This year marks the 15th anniversary of the "Spring Edition," promising an exciting experience for partici..

The OC Trail Runners Group Run is a free, social, and non-competitive event taking place at El Moro and Laguna Coast Wilderness Park in Newport Beach. Participants can enjoy a scenic 7.5-mile trail run with approximately 1100 feet of vertical gain, featuring various routes each time. The event empha..

The Nine Trails 35 Mile Endurance Run is a challenging trail running event held in Santa Barbara, California. This demanding course features over 10,000 feet of elevation gain and descent, making it comparable to a tough 50-mile run. Participants will navigate steep, rocky trails with limited suppor..

The Gabrielino 50K is a challenging trail running event scheduled for March 15, 2025, designed for ultrarunners seeking a low-key endurance experience. The course, limited to 15 participants, starts at Lizzie's Tavern in Sierra Madre and includes a climb to Mt. Wilson, followed by a descent to the G..

J Treequinox is a unique 12-hour running event celebrating the Spring Equinox, set in the scenic high desert of Joshua Tree, CA. Participants will navigate a one-mile loop course on a private 20+ acre property, providing a festive atmosphere with a well-stocked aid station for every lap. This event..

The Pasadena Trail Running Challenge, organized by Pasadena Running Company, is a series of trail running events set to kick off in 2025. Participants can choose between two distances: a 5-mile and a 10-mile challenge, both designed to explore the scenic trails of Pasadena and the surrounding Angele..

The Beyond Limits Ultra (BLU) is a unique multi-day running event held at Pathfinder Ranch in Mountain Center, California, from April 2 to 6, 2025. Celebrating its 13th year, BLU offers various race options, including 72-hour, 48-hour, 24-hour, 100-mile, 50-mile, and 50K races. Participants enjoy on..

The Bedrock Valley Trail Runs is an exciting trail running event taking place in Hemet, California, on April 5-6, 2025. This family-friendly event features a variety of races, including a Trail Marathon, Half Marathon, 15k, 5k, and a special 1 Mile Kid's Fun Run. Participants can also enjoy a Gravel..

The Rock It in El Moro Canyon 6K & 10 Miler, presented by Fitness on Fire, is an exciting trail running event set in the scenic El Moro Canyon, Laguna Beach, CA. Participants can choose between a 6K or a 10-mile course, featuring challenging climbs and breathtaking views of the Pacific Ocean. The ev..

The Billy Goat Half Marathon Climb is an exciting running event taking place in Temescal Valley, California, within the Cleveland National Forest. Scheduled for April 5, 2025, participants can choose between a challenging half marathon and a 10K race, both featuring significant elevation gains of ap..

The Machete Trail Madness 100K is a challenging ultramarathon event taking place on April 12, 2025, at Lake Perris, California. Participants can choose from three distances: 100K, 50K, and 10K, with the 100K course featuring a tough 10-mile loop and a total elevation gain of 2,300 feet per lap. The..

The "4 Hours and 20 Minutes of Joshua Tree" is a unique running event set in a scenic private area of Joshua Tree, California. Participants will tackle a 1-mile loop course, aiming to complete as many laps as possible within the time limit. The event promotes a family-friendly atmosphere and does no..

The Badwater Salton Sea is an ultra-running event set to take place on April 26-27, 2025, in Borrego Springs, California. This challenging race spans 81 miles from Salton City, which is below sea level, to Palomar Mountain, featuring a total elevation gain of over 9,000 feet. Participants compete in..

The Saddleback Marathon, scheduled for April 26, 2025, takes place in Black Star Canyon, Silverado, CA. This challenging trail marathon, which has a rich history dating back to 1988, features a full marathon, half marathon, and 10K race. Participants can expect significant elevation gains, with the..

The Run4Kids Ultra Running Party is an exciting running event taking place in Corona, California, featuring a variety of challenges for participants. Scheduled for May 2-3, 2025, the event includes multiple race options such as 6-hour, 12-hour, 24-hour, marathon, 50-mile, and 100-mile distances. Thi..

The John Wayne Grit Series - Newport Coast is a running event that features 50K, 25K, and 5K races set against the stunning backdrop of Crystal Cove State Park in Laguna Beach, California. Participants will experience challenging hill climbs and breathtaking ocean views while supporting the John Way..

The O'Neill Park Trail Races, scheduled for May 17, 2025, in Trabuco Canyon, CA, offers a variety of race distances including a 50k, marathon, 30k, half marathon, and 10k. Participants can enjoy the stunning trails of O'Neill Park, known for its natural beauty in South Orange County. Registration op..

The Gorgonio View Trail Run, part of the Big Bear Trail Experience, offers participants a scenic 10K race through the stunning trails of Big Bear Mountain Resort. Set against a backdrop of high-altitude pine forests, runners will navigate buttery singletrack paths along with challenging climbs and d..

The Nanny Goat event, taking place on May 24-25, 2025, in Riverside, CA, offers a unique running experience with various race options including 6-hour, 12-hour, 24-hour, and a 100-mile challenge. Participants can run solo or as part of a relay team, aiming to complete as many laps as possible on a f..