Trail Running calendar near Martinez 2025-2026

The Norcal Backyard Ultra will take place in Granite Bay from Friday 7 November 2025 to Monday 10 November 2025. You can run 4 miles.

The Lake Chabot Trail Run, held in Castro Valley, California, offers a variety of distances including 8K, Half Marathon, 30K, Marathon, 50K, and a free Kid's Run for children six and under. The course begins at the Lake Chabot Regional Park Marina and loops around the scenic Lake Chabot reservoir an..

Mt. Tam Trail Run, organized by Inside Trail Racing, begins at Stinson Beach in Marin County, California, with Mt. Tamalpais offering dramatic backdrop views.Runners choose from four distances: 50K (about 30 miles), 30K (about 18.5 miles), Half Marathon (13 miles), and 10K (6.8 miles). The course mo..

Rancho Hills Trail Run takes place at the Rancho Canada del Oro Open Space Preserve in Morgan Hill, California. Distances range from 5K and 10K up to 50K, including 8M, 10M, Half Marathon, 30K, Trail Marathon, and a longer 50K. The course is very hilly, featuring single-track trails and dirt roads w..

Mermaid Trail Run – Woodside takes place at Huddart Park in Woodside, California. Runners can choose from multiple distances, including 3, 6, and 9 miles, a half marathon, a 6-hour challenge (individual or 2-person relay), as well as a kids’ Mermaid Dash and a virtual run. Participants run, hike or..

The Ripon Turkey Trail Run is a community-focused running event held in Ripon, California, at Mavis Stouffer Park along the Stanislaus River Trail. Scheduled for November 15, 2025, the race offers three distance options: 5K, 10K, and a half marathon (13.1 miles). Participants receive a custom techni..

Falcon Crest Winter Trail Challenge is a multi-distance trail running event held in the foothills of El Dorado Hills, California, starting at the Falcon Crest Parking Lot / Monte Vista Trailhead. Runners tackle 5K, 10K, 15K, Half Marathon, 30K, and Trail Marathon distances, with the Marathon route d..

The Golden Gate Trail Classic will take place in San Francisco from Saturday 22 November 2025 to Sunday 23 November 2025. You can run between 15 and 50 miles.

The Zoom Turkey Trot is a Thanksgiving Day running event held at Hellyer County Park in San Jose, California. It offers multiple race distances including 5K, 10K, and a USATF-certified half marathon, with additional age-specific categories and a free 50-yard dash for kids six and under. The courses..

The Wild Turkey is a Thanksgiving morning trail race held in Granite Bay, California (9704 Auburn Folsom Rd, 95746). The event offers two distances — a 5k and a 10k — plus a free 1k kids run, all on scenic trails around Folsom Lake near Beals Point. The atmosphere is family-friendly and community-mi..

Quad Dipsea is an endurance running event in its 42nd edition, based at Old Mill Park and scheduled for November 29, 2025. The race is noted for a course record of 3:41:01 set in 2015. The event webpage includes sections for the course, directions, crewing, lodging, sponsors, and results, indicating..

Quarry Turkey 2025 takes place at Quarry Lakes Regional Recreation Area in Fremont, California, on the Saturday after Thanksgiving. The event offers a fast, mostly-flat course on Quarry Lakes trails with options for a half marathon, 10K, or 5K, plus a free Little Turkeys Run for children (about 100..

The Krampus Cross Country is a festive running event held in San Francisco, California, featuring live and virtual options. Participants can choose from three distances: a 5K, 10K, or the challenging Naughty Nine Miler. The live races start at the Ecology Trail Head at the end of Barnard Avenue, wit..

Peacock Gap Trail Run, held at China Camp State Park in San Rafael, CA, offers 10K, half marathon, and 30K trail options. Runners traverse twisting single-track, forested sections, and open bayside trails with views of Mt. Tam, San Pablo Bay, and San Francisco Bay, including a notable climb about 1...

The Calero Trail Run - Winter will take place in San Jose on Saturday 6 December 2025. You can run between 5 and 50 kilometers.

ZombieRunner Quarry Lakes is held at Quarry Lakes Regional Recreation Area (Ensenada Pavilion) in Fremont, CA. The event offers 5K, 10K, Half Marathon, 30K, Marathon, plus youth options (5K and 10K for younger runners and a Kid’s Run). The course starts in the Quarry Lakes area and runs along Alamed..

Hunter S. Thompson Fear & Loathing is an urban ultramarathon held in San Francisco, California, offering 50K and 50-mile distances. The courses are predominantly city streets (about 99% for the 50K), with up to some parallel trail options on the longer race.Elevation totals include roughly 3,600 fee..

Summit Rock offers 5K, 10K and half marathon routes through Sanborn County Park in the Santa Cruz Mountains near Saratoga, California. Runners travel along miles of single-track trails under a redwood canopy, with the half-marathon and 10K routes climbing to peak viewpoints. The course emphasizes tr..

The Folsom Lake Point to Point Trail Half Marathon will take place in El Dorado Hills on Saturday 13 December 2025. You can run 21 kilometers.

2025 Hark the Herald Half Marathon & 10K, the 37th annual edition, takes place at Angel Island State Park, Belvedere Tiburon, California. The Half Marathon is two loops on a hilly trail; the 10K is a single loop. The event is limited to 400 participants, creating an intimate atmosphere with panorami..