Trail Running calendar near Los Gatos 2024-2025

We have found 82 Trailruns within 80 miles of Los Gatos. See below where and when you can find the races.

The Badger Cove Half Marathon, along with 10K and 5K events, will take place on April 19, 2025, at Del Valle Regional Park in Livermore, California. This race, known for its scenic trails and welcoming atmosphere, encourages both runners and walkers to participate. All participants will receive cust..

The Sierra Azul Trail Challenge is a premier running event held in the scenic Sierra Azul Open Space Preserve, near Mt. Umunhum in San Jose, CA. Participants can choose from various distances, including a 50K, Trail Marathon, 20 Mile, Half Marathon, 7 Mile, and 5K, making it suitable for runners of ..

The Horseshoe Lake Trail Run, scheduled for April 20, 2025, offers a variety of running events including a 5-mile race, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under. The course is set within the scenic Skyline Ridge, Long Ridge, and Russian Ridge O..

The Mt. Tam Wild Boar Half Marathon and 10K is an annual running event held at Mt. Tamalpais State Park in Mill Valley, California.Celebrating its 37th year in 2025, the race features a scenic coastal ridge trail that offers stunning views of the Pacific Ocean and surrounding landscapes. Participant..

The No Foolin' Foot Race, organized by the Parks and Recreation Foundation of San Carlos, invites participants to explore the scenic trails of Big Canyon and Eaton Parks. This annual event features challenging 5k and 10k courses, with significant elevation gains, as well as a 1-mile kids' course for..

May 2025

The Miwok 100K is a renowned trail ultramarathon celebrated for its stunning scenery and challenging course, featuring 11,800 feet of elevation gain. Set in the picturesque Stinson Beach area, participants enjoy breathtaking views of San Francisco, the Golden Gate Bridge, and the surrounding natural..

The Hacienda Hills Trail Run - Spring is an exciting trail running event held at Almaden Quicksilver County Park in San Jose, CA. Participants can choose from nine different race distances, including a 50K, Trail Marathon, 30K, Half Marathon, 9 Mile, 10K, 5K, Mile, and a Kids Run, all featuring vary..

The Race for Open Space is a multi-course trail running event scheduled for May 10, 2025, in the scenic Palo Corona Regional Park. This event aims to raise funds and awareness for the Big Sur Land Trust, promoting access to parks and open spaces in Monterey County. Participants can choose from vario..

The Quicksilver Endurance Runs, held in San Jose, CA, features challenging 50K and 100K races on scenic trails through oak forests and meadows, offering stunning views of the Santa Clara Valley and Santa Cruz Mountains. Celebrating its 40th edition, the event supports local non-profits, donating 50%..

The Grizzly Peak Trail Run, scheduled for May 10, 2025, in Berkeley, CA, offers a variety of race distances including a 10K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under. The event starts at Lake Anza and winds through the scenic Tilden Regional Pa..

The Nitro Trail 2025 is an exciting running event taking place at Point Pinole Regional Shoreline Park in San Pablo, California. Participants can choose from three race distances: a half marathon, 10K, and 5K, making it suitable for runners of all levels. The event celebrates the park's transformati..

The Stinson Beach/Muir Woods Marathon, Half Marathon, and 7 Mile event is set to take place on May 10, 2025, marking its 35th annual occurrence. Participants will experience a challenging trail run that begins at sea level and ascends into the scenic Muir Woods, following the iconic Dipsea trail. Th..

Trailquake is an exciting running event taking place in Saratoga, California, featuring a half marathon, 10K, and 5K race. Set against the stunning backdrop of redwoods and pines, participants can enjoy beautiful trails while experiencing the thrill of nature. The event welcomes runners, walkers, an..

The 13 Mile Trail Race Top Down is a half marathon event taking place in San Jose, CA, within the scenic Almaden Quicksilver Park and Sierra Azul Open Space Preserve. This inaugural race features a point-to-point course, with transportation provided to the starting line. Participants can expect a ch..

The Pacifica Foothills Trail Run is an exciting trail running event held in San Pedro Valley County Park, Pacifica, CA. Participants can choose from three distances: 10K, Half Marathon, and 30K, all set against the stunning backdrop of the Santa Cruz Mountains. The course features moderately technic..

The Napa Wilderness Trail Runs, organized by Bay Trailrunners, takes place at Skyline Wilderness Park in Napa, CA, offering a variety of trail running distances including 40 miles, 50K, 30K, half marathon, and 10K. This event caters to all levels of runners, from seasoned ultra-marathoners to beginn..

Run for Amma is an annual charity running event held at Skyline Ridge Open Space Preserve in Los Gatos, California. The event features three race distances: 50K, 30K, and 10K, with all proceeds benefiting the UCSF Julia Carnevale Lab for cancer research. Participants can enjoy scenic trails while co..

The Calero Trail Run - Spring is an exciting trail running event held at Calero County Park in San Jose, CA. Participants can choose from various distances, including 50K, Marathon, 25K, Half Marathon, 15K, 10K, 5K, and a Kids Run. The course features scenic single tracks, challenging hills, and dir..

The Wildcat Half Marathon, scheduled for May 31, 2025, in El Sobrante, California, features a scenic trail race with options for a half marathon, 10K, and 5K. Participants can enjoy breathtaking 360-degree views of the Bay Area, including landmarks like the Golden Gate Bridge and Alcatraz. The event..

June 2025

The 2025 Lake Chabot Trail Challenge features a Half Marathon and a 5K run, taking place in Castro Valley, California. This annual event, now in its 41st year, is popular among trail runners and offers scenic courses with views of Lake Chabot, Mt. Diablo, and the San Francisco Bay.The Half Marathon ..