Willow Hills XC

The Mammoth Bar Trail Runs, hosted by Skybreaker Racing, is a new trail running event held in Auburn, California, within the Auburn State Recreation Area. Scheduled for September 7, 2025, the event offers three race distances: a half marathon, 10K, and 5K. The courses traverse the single-track and d..

The Gold Rush Growler Trail Runs, held at Granite Beach in Folsom Lake State Recreation Area, feature scenic 10-mile and 5K trail races along shoreline and single-track trails. The 10-mile course includes diverse terrain with paved park roads, secret trails, and notable landmarks like Oak Point, Dot..

The Sunset & Cider Trail Races, held in Auburn, California's scenic American River Canyon, offer three trail running distances: 50K, 13 miles, and 5 miles. The courses feature mostly runnable single-track trails with some short neighborhood road sections and varying elevation gains—3,875 ft for the..

The Auburn Half Marathon, held in Auburn, California, is a trail running event featuring a half marathon, 12K, and 5K distances. Set in the scenic Auburn State Recreation Area, the race starts at Overlook Park and includes a course that traverses the famous Western States Trail, crossing landmarks l..

The Mile Madness Endurance Run is a multi-day ultrarunning event held at Sunset Whitney Recreation Area in Rocklin, California. The course features a professionally measured 1.05-mile loop, mostly on dirt trails with some paved sections, offering smooth terrain and about 62 feet of elevation gain pe..

The Granite Head will take place in Granite Bay on Saturday 11 October 2025. You can run between 6 and 11 miles.