Mount Madonna Challenge

The Calero Trail Run - Spring offers various distances ranging from 5K to 50K, starting at Calero County Park in San Jose, CA. The trail features single tracks, hills, and dirt paths, providing a challenging yet scenic experience. The 50K route is particularly recommended for those training for West..

The Toro Park trail run in Salinas, CA offers 10K, half marathon, and 50K distances on rocky trails and dirt roads in a picturesque setting with rolling golden hills and coast live oak trees. The race takes place in summer with an average temperature of 16ºC (61ºF) and an average altitude of 520 met..

The Mt. Umunhum Ultras is an exclusive trail racing event offering a variety of distances including a 52 Mile, 50K, Trail Marathon, 30K, Half Marathon, 9 Mile, 10K, and 5K. The races take place in the Santa Clara Valley, Sierra Azul Open Space Preserve, and the Santa Cruz Mountains, providing runner..

The Rancho Hills Trail Run - Summer offers a variety of race distances ranging from 5K to 50K, taking place in the scenic Rancho Cañada del Oro Open Space Preserve in Morgan Hill, CA. Participants can expect a challenging course with hilly terrain, single track trails, fire roads, and stunning Bay A..

Participants can choose from various distances including a 10K, Half Marathon, 30K, Marathon, and 50K trail run at Harvey West Park in Santa Cruz, CA. The trail offers stunning views of Coastal Redwoods, stream canyons, meadows, forests, and ridges. The course is well-marked with color-coded ribbons..

The Almaden Hills Trail Run - Summer offers various distances including a 50K, Trail Marathon, 30K, Half Marathon, 8 Mile, 10K, and 5K. Set in Almaden Quicksilver park, the course consists of 60% dirt roads and 40% single track, providing challenging terrain with beautiful views. The event promises ..