Griffith Park Trail Marathon Relay & 8K

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 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 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 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..