Trail Running calendar near Angwin 2025-2026

Quad Dipsea is an ultramarathon held in Mill Valley, California, starting at Old Mill Park. The event features four grueling laps along the Dipsea Trail to Stinson Beach and back, totaling roughly 28 miles with about 9,000 feet of elevation gain. Runners confront famous climbs and rugged terrain, in..

Quarry Turkey, held at Quarry Lakes Regional Recreation Area in Fremont, California, is Brazen Racing’s Thanksgiving weekend event featuring a fast, mostly-flat half marathon, 10K, and 5K through scenic Quarry Lakes trails. It welcomes walkers and families for a festive, turkey-themed atmosphere, wi..

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..

ZombieRunner Quarry Lakes takes place on Saturday, December 6, 2025, in Fremont, CA at Quarry Lakes Regional Recreation Area (Ensenada Pavilion). The event includes multiple distance options: 5K 10K Half Marathon 30K Marathon 5K (12 yo & under) 5K (13 - 17 yo) 10K (12 yo & under) 10K (13 -..

The Peacock Gap Trail Run is scheduled for Saturday, December 6, 2025, at China Camp State Park and Harry Barbier Memorial Park in San Rafael, CA. The event offers three distances: 30K - 19.5 miles, 2,735 ft elevation gain Half Marathon - 13.1 miles, 1,800 ft elevation gain 10K - 6.3 miles, 1,140..

Hunter S. Thompson Fear & Loathing in San Francisco is an urban ultramarathon offering 50K or 50 miles. Located in San Francisco, the single-loop course starts and finishes atop Twin Peaks, with the city spread out beneath.The 50K route is about 99% city streets; the 50-mile option includes some tra..

Folsom Lake Point to Point Trail Half Marathon is a 13.1-mile trail race held in El Dorado Hills, California, along the south shore of Folsom Lake. The course is predominantly single-track (about 95%) with some dirt-road sections, featuring rolling hills, technical segments, and scenic views of Fols..

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..

Woodside Ramble is a multi-distance trail race on the San Francisco Peninsula, centered at Huddart County Park in Woodside, CA. Distances include 10K, half marathon (13.2 miles), 35K, and 50K. The course threads through Huddart and Wunderlich Parks, along streams beneath towering redwoods, then clim..

Brazen Racing’s Almost New Year’s Eve is a trail-running event at Lake Chabot in Castro Valley, California. Runners may choose from a Half Marathon, 10K, or 5K, with hikers and walkers welcome. The race navigates Lake Chabot’s scenic trails, delivering a festive, outdoor atmosphere as participants c..

The Auburn Resolution Run is a trail running event held at Overlook Park in Auburn, California. Scheduled for January 1, 2026, it offers multiple race distances including 5K, 10K, 10 miles, and a virtual run option for any distance. This event provides a refreshing and adventurous way to start the N..

Brazen New Year's Day 2026 takes place at Lake Chabot in Castro Valley, California. Runners can choose from a half marathon, 10K, or 5K on Lake Chabot’s scenic trails. The course loops around the lake and is described as scenic and invigorating, offering a family-friendly atmosphere as participants..

The IPA Beer Trail Runs, held at Granite Beach in Folsom Lake State Recreation Area, offer two scenic trail race options: a 5K and a 12K along well-marked single-track paths with beautiful lake views. The event combines challenge and fun, culminating in a festive atmosphere where runners over 21 can..

The No Hands Trail Run takes place on January 10, 2026 at American River Overlook Park in Auburn, California. The event offers multiple distances and has a total capacity of 400 runners. Races are professionally chip timed using MyLaps and Race Director; disposable chips attach to the back of each..

Folsom Lake Sweetwater Trail Run takes place at Folsom Lake State Recreation Area, Salmon Falls Parking Lot in El Dorado Hills, California. The event offers eight distances: Kids Run, 1 mile, 5K, 10K, 9 Mile, Half Marathon, 30K, Trail Marathon, and 50K. The course is 95% single-track with 5% dirt ro..

The Gumby 10K and 5K are trail running events held at Granite Beach, Folsom Lake State Recreation Area. The races feature scenic courses along the shores of Folsom Lake, with well-marked trails and enthusiastic volunteers providing support. Aid stations are strategically placed throughout the course..

The Pacifica Foothills Trail Run is scheduled for January 24, 2026 at San Pedro Valley County Park in Pacifica, California. The event offers three distances: 30K - 18.9 miles, 4,300 ft elevation gain Half Marathon - 13.2 miles, 3,100 ft elevation gain 10K - 6.0 miles, 1,200 ft elevation gain The..

Brazen Racing's Coyote Hills event takes place at Coyote Hills Regional Park in Fremont, California. The weekend offers three distances: a half marathon, 10K, and 5K, with walkers welcome and a Half Marathon Hiker Division for those taking longer than four hours. The course features a mix of paved,..

The Escape from Folsom is a trail running event held at Granite Beach, Folsom Lake State Recreation Area. It offers two race distances: a 10-mile run and a 5K (3.1 miles), both featuring scenic trails adorned with wildflowers. The course includes multiple aid stations providing water, electrolyte be..

The Bay Breeze race takes place on February 14, 2026, at San Leandro Marina Park, 14001 Monarch Bay Dr, San Leandro, CA 94577. The event offers the following distances: Half marathon 10K 5K A remote-run option is listed for the event. All race distances start and finish at San Leandro Marina Par..