Fourmidable

The Canyons Endurance Runs by UTMB® is a premier trail running event held in Auburn, California, known as the "Endurance Capital of the World™️." Scheduled for April 25-26, 2025, the event features multiple race distances, including a new 100-mile course, alongside 100km, 50km, and 25km options. Par..

The Brown's Ravine Half & Full Marathon is an exciting running event taking place in Folsom, California, on April 26, 2025. The race features a scenic course that is 95% single track and 5% dirt road, running alongside the picturesque Folsom Lake. Participants can choose between a half marathon, whi..

The Folsom Lake Trail Run, scheduled for May 3, 2025, offers a scenic running experience along the picturesque lakeside trails of Folsom Lake, California. Participants can choose from four distances: 10K, Half Marathon, 35K, and 50K, catering to various skill levels. The course features an out-and-b..

The Trail Run at Sly Park - Spring is an exciting running event taking place at the Sly Park Recreation Area in Pollock Pines, California. Participants can choose from various distances, including a 50K, Trail Marathon, 17 Miler, Half Marathon, 8 Miler, 10K, and 5K, all set against the stunning back..

The Dirty Secret Trail Run, taking place in Cool, California, offers an exciting experience for both novice and experienced trail runners. Participants can choose between two scenic courses: a 5.8-mile short course and a 10.3-mile long course, featuring challenging terrain with twists, turns, and ob..

The Placer Trail Running Festival, scheduled for May 17, 2025, at Granite Beach in Granite Bay, California, offers a variety of trail running events suitable for all levels. Participants can choose from distances of 25K, 10K, 5K, and a 5K Canicross, all set against the scenic backdrop of Folsom Lake..