Trail Running calendar near Mill Valley 2024-2025

The 2024 San Jose Trail Challenge will take place on September 29th at Sanborn County Park in Saratoga, CA. Participants can choose from the Spartan Trail 50K, 10K, or Half Marathon, each offering challenging but scenic routes through the park's steep and well-groomed trails. The park, known for its..

The Rancho Hills Trail Run - Fall offers a variety of 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 challenging climbs with rewarding panoramic views of the Bay Area and the Santa Cruz Mountains. The..

The 6th Annual Star City San Bruno Mountain Half Marathon is set to take place on Saturday, October 5, 2024, at 9:00 AM. Organized by the Excelsior Running Club, this trail run offers stunning views of the Pacific, Bay, and San Francisco, with 93% of the race taking place on trails and a challenging..

The Mt. Umunhum Trail Conquest-Fall offers various distances including a 50K, Trail Marathon, 30K, Half Marathon, 7 Miler, and 5K, starting at the Hacienda Entrance of Almaden Quicksilver Park in San Jose, CA. The 30K route includes summiting Bald Mountain, while the Trail Marathon and 50K take part..

The Ruth Anderson Memorial Endurance Run is an ultra-distance trail run taking place in San Francisco, CA. The race features a mostly flat, certified 4.48-mile loop around Lake Merced with approximately 100' of elevation gain and loss per loop. There is one aid station per loop and runners have acce..

The California Fall Classic 100K and 55K trail run will take place on Saturday, October 19, 2024, at Lake Sonoma in Healdsburg, CA. The 100K race is a Western States Endurance Run 2024 Qualifier with an 18-hour cutoff time, while the 55K is recommended as a first ultra. The courses offer stunning vi..

The trail run takes place on October 19, 2024, starting at Castle Rock park in Walnut Creek and heading into Mount Diablo State Park. There are 5K, 10K, half marathon, and 30K courses, all on dirt trails. The 30K course has a time limit of 6.5 hours, with on-course cut-offs at specific aid stations...

The Quicksilver Trail Challenge is an annual trail running event organized by the Quicksilver Running Club in San Jose, California. It features a half marathon, a 10k race, and a kids' 1-mile fun run, taking place in late Summer or early Fall at Almaden Quicksilver County Park. The event offers a ch..

The Oakland Hills Trail Run takes place in Redwood Regional Park and EBMUD Trails in Oakland, CA. The event offers three distances: 10K, Half Marathon, and 35K. The course winds through a beautiful forest of coast redwoods and includes evergreens, chaparral, and grasslands. The race has a 6.5-hour t..

Participants can join the ZombieRunner Halloween trail run on November 2, 2024, at Hellyer County Park in San Jose, CA. The event offers various distances including 5K, 10K, half marathon, and marathon, with different age categories. Runners are encouraged to wear Halloween costumes and can particip..

The Almaden Hills Trail Run - Fall offers a variety of distances ranging from 5K to 50K, set in the scenic Almaden Quicksilver park in San Jose, CA. The course consists of 60% dirt roads and 40% single track, providing a challenging yet enjoyable trail running experience with hilly terrain and beaut..

The Mt. Tam Trail Run is a trail running event that takes place in Stinson Beach, CA. The race offers four distances: 10K, Half Marathon, 30K, and 50K. The course starts at Stinson Beach and includes a challenging climb up Mt. Tamalpais, offering stunning views before descending back to the beach. T..

The Lake Chabot Trail Run offers various distances including an 8K, half marathon, 30K, marathon, and 50K, taking place on November 16, 2024, in Castro Valley, CA. The course starts at the Marina and loops around the Lake Chabot reservoir and surrounding hills, making it ideal for first-time trail r..

The trail run will take place on November 23-24, 2024, in San Francisco, CA, offering distances of 15K, 25K, 50K, and 50MI. Participants will experience the Golden Gate magic, starting in San Francisco and crossing the Golden Gate Bridge into the Marin Headlands, with stunning views of the mountains..

Run along the popular Coyote Creek trail on Thanksgiving morning at the Zoom Turkey Trot in San Jose, CA. Participants can choose from a 5K, 10K, or Half Marathon race, with special categories for kids. The Half Marathon course is USATF certified, and the event offers a chance to win a turkey. The c..

The Quarry Lakes Trail Run offers various distances including a 5K, 10K, Half Marathon, 30K, and Marathon, with special categories for kids. The event takes place at the Quarry Lakes Regional Recreation Area in Fremont, CA, featuring flat and fast courses along the Alameda Creek Trail. Participants ..

The Calero Trail Run - Winter offers various distances ranging from a 5K to a 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 distance is highlighted as a great trainer for Western St..

The Hacienda Hills Trail Run - Winter offers nine different race distances at the Almaden Quicksilver County Park just outside of San Jose, CA. The event promises a day of Northern California trail running with increasing elevation gain and Bay Area views. The race starts at 8:00 AM with a 9-hour ti..

The Mt. Umunhum Trail Conquest-Winter offers a variety of distances including a 50K, marathon, 30K, half marathon, 7 miler, 5K, mile, and kids run. The race starts at the Hacienda Entrance of Almaden Quicksilver Park and travels into the Sierra Azul Open Space Preserve. The 30K will summit Bald Moun..

The Sanborn Trail Challenge is set to take place in Sanborn Park, offering a variety of distances including a half marathon, 8-mile, 4-mile, 1-mile, and a kids run. The course is described as extremely mountainous, very technical, and composed of 95% single track trail, featuring a lushly wooded, mi..