Trail Running calendar near Foothill Ranch 2025-2026

The Boney Mountain Trail Run is an exciting running event set in the stunning Santa Monica Mountains, starting at Rancho Sierra Vista | Satwiwa National Park. Participants can choose between a challenging half-marathon course featuring creek crossings, single-track climbs, and breathtaking ocean vie..

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 navigate hill climbs and enjoy ocean views along dirt roads and single-track trails. The even..

The Billy Goat Half Marathon Climb is a challenging mountain race held in Temescal Valley, California, within the Cleveland National Forest. Scheduled for May 10, 2025, the event features a scenic course along Maple Springs Road to N. Main Divide, offering stunning views and a significant elevation..

The O'Neill Park Trail Races is a scenic trail running event held in Trabuco Canyon, California, featuring various race distances including 10K, half-marathon, 30K, 50K, and marathon. The race showcases the stunning natural beauty of O'Neill Park, a treasured location in South Orange County. Partici..

The Gorgonio View Trail Run, part of the Big Bear Trail Experience, takes place at the renowned Big Bear Mountain Resort in Southern California. This scenic 10K race offers participants the chance to traverse beautiful trails featuring smooth singletrack paths through high-altitude pine forests, alo..

The 1st Annual NATRO@Noli Indian School Trail Race takes place on the Soboba Indian Reservation in San Jacinto, California. This event offers marathon, half marathon, 5k, and kids 3k distances with Native and Open divisions. The marathon features a challenging two-loop 13.1-mile course with over 2,0..

The Mt. Wilson Trail Race, one of California's oldest trail races, takes place in Sierra Madre, featuring an 8.6-mile course that ascends to Orchard Camp and back. Participants face an elevation gain of over 2,160 feet on a scenic and challenging route that has evolved due to natural changes over ti..

The OC Trail Runners Group Run is a free, social trail running event held in Newport Coast, California. Taking place on May 3, 2025, the run is non-competitive and designed for runners of all levels to enjoy the outdoors and camaraderie. Participants will explore different routes each time, with the..

The Forever Brave Half Marathon in Valencia is a vibrant running event scheduled for May 25, 2025. Participants can choose from various distances, including a 5k, 10k, 15k, and a half marathon, all set on an open course designed for a fun and relaxed experience. The race features out-and-back loops..

The Pasadena 50K Relay & 50K Solo event is set to take place on May 25, 2025, at Hahamongna Watershed Park. This exciting race features a 50K Relay, where teams of up to five runners can compete against each other, making it a great opportunity for friends, family, or running club members to join fo..

The The Hills Are Alive 10K will take place in Rolling Hills Estates on Saturday 31 May 2025. You can run between 5 and 10 kilometers.

The Pacifico Ultra is an exciting running event set in the stunning Angeles National Forest, taking place on May 31, 2025. Participants can choose between two challenging courses: a 50k Ultra featuring 5,626 feet of elevation gain and a 20k Trail with 2,333 feet of gain. Both routes offer breathtaki..

The Lake Miramar 4 Mile Run, part of the Rewind Series by ERS, is a scenic, untimed fun run held near sunset at Lake Miramar in San Diego, CA. The 4-mile out-and-back course features a mix of paved roads and trails along the lake’s picturesque shoreline, offering a varied and enjoyable running exper..

The San Diego 100 is a challenging 100-mile ultramarathon set in the scenic mountains of San Diego County, California. Scheduled for June 6, 2025, the race features a loop course primarily on single-track trails, including sections of the Pacific Crest Trail and various state parks. Participants fac..

The Malibu Canyon Trail Races, held in Malibu, California, offer a challenging and scenic running experience through the coastal Santa Monica Mountains. The event features multiple distances including 100K, 50-mile, 50K, 30K, and a half marathon, catering to a wide range of trail runners. The course..

The Griffith Park Trail Marathon Relay & 8K is a celebrated outdoor running event held in Los Angeles’ expansive Griffith Park. Recognized as one of Runner’s World’s 10 Best Races You’ve Never Heard Of in 2024, it offers scenic trails and challenging terrain suitable for both seasoned runners and be..

The Black Star Canyon 5k Trail Run is an exciting running event taking place in Silverado, California, on June 11, 2025. The race features a scenic 5k course that includes fire roads and single-track trails, with an elevation gain of 390 feet. Participants can expect one aid station providing water..

The Holcomb Valley Trail Run is an annual event held in Big Bear Lake, California, featuring three race distances: 33 miles, 14 miles, and 7 miles. Participants run along the scenic Pacific Crest Trail and forest roads through historic Holcomb Valley, known for its gold rush history. The race promot..

The Orange Curtain Endurance Run is a multi-distance ultramarathon event held in Cerritos, California, featuring races of 10K, 30K, 50K, and 100K, along with marathon and timed events. The course is a flat, fast out-and-back on a combination of asphalt and dirt bike paths along the San Gabriel River..

The Red Rock Rumble is a challenging trail running event held in Topanga, California, set amidst the scenic Red Rock Canyon. The race features a rugged 10k course with steep climbs, stunning views, and a thrilling descent, along with additional events like a non-timed Hiker's Delight and kids' races..