Apple City 5k

The 2025 Big Sur Trail Marathon, Half Marathon & 5 Mile, the 35th annual edition, takes place at Andrew Molera State Park in Big Sur, California. It offers three distances: marathon, half marathon, and 5 miles, with a field limited to 300 participants. Runners follow the Old Coast Road, rewarded wit..

Spartan Trail San Jose Challenge takes place at Sanborn County Park in the eastern Santa Cruz Mountains near Saratoga, California, with the race site at West Valley College Parking Lot 5. The event offers three trail distances: 50K, 21K, and 10K. Runners tackle well‑groomed yet steep and difficult t..

Run by the Sea is an annual running event held at Wilder Ranch State Park in Santa Cruz, California. Scheduled for October 5, 2025, the race offers three distances: a 4K run/walk, a 12K run, and a half marathon. The courses primarily follow flat, packed dirt trails along the scenic coastal bluffs of..

The Rancho Hills Trail Run - Fall is a challenging trail running event held at the Rancho Cañada del Oro Open Space Preserve in Morgan Hill, California. The race offers a variety of distances ranging from 5K to 50K, including 8-mile, 10-mile, half marathon, 30K, and trail marathon options. The cours..

Summit Rock is Brazen Racing’s trail event held in the redwood and pine forests of Sanborn County Park, just outside Silicon Valley in Saratoga, California. Runners can choose from a 5K, 10K, or half-marathon, all on miles of single-track trails through the Santa Cruz Mountains. The course features..

Monterey Ultra is a 50-mile trail ultramarathon set in Fort Ord National Monument near Monterey, California. Local runners designed a varied course that combines a 35-mile loop and a 15-mile loop, with wide fire roads, twisting single-track, deep sand, and rocky, rooty climbs, totaling about 7,080 f..