Pasadena 50K Relay & 50K Solo

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 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 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 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..

The Mt. Baldy 5000 is a challenging 5K mountain race held on the slopes of Mt. Baldy Resort near Los Angeles.The 3.1-mile course features nearly all uphill terrain with about 1,500 feet of elevation gain, primarily on fire roads with good footing. Starting at 6,400 feet elevation, runners climb stee..