Trail Running Calendar California 2024-2025

The Bizz Johnson event is a scenic running competition held on the Bizz Johnson Trail in California, featuring a variety of distances including a Boston Qualifier marathon, 50K, half marathon, 10K, and an Express half marathon. The course is primarily downhill, allowing participants to set personal ..

The Ruth Anderson Memorial Endurance Run is a prestigious running event held annually in San Francisco, California, since 1986. This endurance race features multiple distances, including 50 miles, 100 kilometers, and 50 kilometers, attracting runners of various skill levels. The course consists of a..

The John Wayne Grit Series - Lone Pine is an inspiring running event set in the scenic Alabama Hills National Scenic Area, featuring dirt roads and single-track trails with breathtaking views of Mt. Whitney. Participants can choose between a half marathon and a 10K, with all proceeds benefiting the ..

The Cahuilla Rez Ultra is a unique running event held on the Cahuilla Indian Reservation in Anza, California, featuring various race options including a 100-mile, 24-hour, 12-hour, 6-hour, and a half marathon. This event serves as a fundraiser for the tribe's Youth and Family Programming, promoting ..

The SPACEROCK Trail Race, set for October 18, 2025, takes place at the iconic Vasquez Rocks Natural Park in Agua Dulce, California. This event offers a variety of race distances, including a Half Marathon+, 15K, 10K, and 5K, catering to runners of all skill levels. Participants can enjoy the stunnin..

Weekend at Burney is an exciting endurance running event set in Lassen National Forest, featuring a looped 5.3-mile course. Participants can choose from various race options, including 12-hour and 24-hour runs, as well as burro races. The scenic course showcases the natural beauty of the forest, wit..

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

The Range of Light Trail Races, taking place in Bishop, California, offers a scenic and challenging experience for runners of all levels. Participants can choose from four distances: 50k, 33k, 10k, and 5k, making it suitable for both seasoned athletes and casual runners. The event serves as a fundra..

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 celebrates Dia De Los Muertos with a supportive community atmosphere. Runners will tackle a tough 10-m..

The Oakland Tech 5km Fundraiser Race and 1 Mile Fun Run/Walk is an exciting event taking place at Joaquin Miller Park, aimed at supporting the Oakland Tech Cross Country and Track Team. Participants can choose between a challenging 5K trail run or a more leisurely 1-mile fun run/walk, both set again..

The Rancho Ramble Trail Run will take place in Santa Margarita on Sunday 2 November 2025. You can run between 10 and 50 kilometers.

The Catalina Island Half-Marathon & 10K is an exciting running event set against the stunning backdrop of Catalina Island, California. Scheduled for November 8, 2025, this race offers participants the chance to experience breathtaking views and unique wildlife while running. The event features a hal..

Into The Wild Fremont Canyon is part of a series of trail running events organized by Into the Wild OC Trail Runs. Scheduled for December 6, 2025, this 28k race takes participants through the scenic Fremont Canyon, showcasing the natural beauty of the area. The event emphasizes the thrill of trail r..