Trail Running calendar near Orange 2025-2026

Sycamore Canyon is a trail running event held at the scenic Goodman Ranch Sycamore Canyon Preserve near Poway, California, just east of San Diego. The race offers multiple distance options including a 100K (solo or 4-person relay), 50K (solo or 4-person relay), and a half marathon. The course is a l..

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, held annually in Avalon, California, is California’s oldest trail marathon and the State Off-Road Marathon Championship. The 48th edition in 2026 offers marathon (26.2 miles), 10K, 5K, and kids' runs, along with a Triple Crown Challenge combining multiple events. The co..

The Valencia Trail Race, held in Valencia, California, offers a challenging and scenic trail running experience with three distance options: 10K, half marathon, and 50K ultra. Set against the backdrop of Southern California's hills and mountains near state park boundaries, the course features single..

The Coast to Crest 10K and 5K is an annual trail race held in Del Mar, California, featuring a very flat and fast course ideal for runners seeking personal records. The out-and-back routes are 100% dirt trail, well-groomed, and offer spectacular wide-open lagoon views with a downhill finish. The rac..

The Billy Goat Mountain Climb is a challenging trail running event held in the Cleveland National Forest near Silverado, California. It offers three race distances: a 17-mile Silverado Loop, a half marathon, and a 10K. The courses feature significant elevation gain, with the Silverado Loop climbing..

The Nature Made Great Race is an annual running event held in Agoura Hills, California, near Los Angeles. Celebrating over 40 years, it features multiple race distances including the Chesebro Half Marathon, Old Agoura 10K, Deena Kastor 5K, and a 1-mile fun run. The half marathon course offers scenic..

The Bedrock Valley Trail Runs, held at Diamond Valley Lake Marina in Hemet, California, offers a diverse trail running and gravel biking experience for all ages and skill levels. Events include a Trail Marathon, Half Marathon, 15k, 10k, various 5k races including a stroller-specific 5k, and a 1-mile..

The Annual NATRO@Noli Indian School Trail Race takes place on the Soboba Indian Reservation in San Jacinto, California. This event offers multiple distances including a marathon, half marathon, 5k, and a kids' 3k run/walk, with Native and Open divisions. The marathon features a challenging two-loop..

The Leona Divide is a premier trail running event held in Lake Hughes, California, featuring multiple race distances including 30K, 50K, 50 Mile, 100K, and 100 Mile. The 100 Mile and 100K races serve as qualifiers for the prestigious Western States 100, while the 50 Mile race offers a Sterling Silve..

The Ramona Wine Country 5K is a unique running event held at BackCountry Gardens in Ramona, California. This scenic race features a challenging 1.5-mile loop course with natural obstacles including hills, streams, boulders, and mud, offering participants the option to complete one or two loops. Beyo..

The Dingneng Wang event, held in San Diego, CA, is a non-competitive marathon along the Los Penasquitos Canyon Trail. Formerly known as the PQ & GZ Trail Marathon, it was renamed to honor Dingneng Wang, a beloved runner and outdoor enthusiast. The course is a clockwise loop with a total distance of..

The Boney Mountain Trail Run is a scenic trail running event held in the Santa Monica Mountains, starting at Rancho Sierra Vista | Satwiwa National Park in Newbury Park, California. It features a challenging half-marathon course that includes creek crossings, single-track climbs, and stunning ocean..

The O'Neill Park Trail Races, held in Trabuco Canyon, California, offer a scenic and challenging running experience through the beautiful trails of O'Neill Regional Park, a notable gem in South Orange County. The event features multiple race distances including 10K, half marathon, 30K, marathon, and..

The Gorgonio View Trail Run takes place at Big Bear Mountain Resort in Big Bear Lake, California, a renowned mountain training ground in Southern California. The event features a scenic 10K trail race through picturesque high-altitude pine forests, with smooth singletrack trails alongside challengin..

The Nanny Goat race, held at a private horse ranch in Riverside, California, offers a unique ultrarunning experience over Memorial Day weekend. Participants can choose from distances of 6, 12, 24 hours, a 100-mile solo race, or a 24-hour relay for teams up to four runners. The course is a flat, one-..

The Malibu Canyon Trail Races, held at Point Mugu State Park in Malibu, California, offer a variety of challenging trail running distances including 100K, 50-mile, 50K, 30K, and a newly added half marathon. This event, presented by Keira Henninger, takes place in a scenic natural setting known for i..

The Saddleback Marathon is a premier trail running event held in the Saddleback Mountains within the Cleveland National Forest near Silverado, California. Offering marathon, half marathon, and 10K distances, the race features challenging courses with significant elevation gains—4,244 feet for the ma..