Trail Running calendar near Noe Valley 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 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..

The Calero Trail Run - Winter is a versatile trail running event held at Calero County Park in San Jose, California. It offers a range of distances including a 50K, trail marathon, 25K, half marathon, 15K, 10K, 5K, mile, and a kids run, catering to all levels of runners. The course features scenic s..

Peacock Gap Trail Run, part of Inside Trail Racing, takes place at China Camp State Park in San Rafael, CA. The event offers three distances: 10K, Half Marathon, and 30K. Runners traverse twisting single-track through forested sections and open trails along the San Pablo Bay side, with sweeping view..

ZombieRunner Quarry Lakes takes place at Quarry Lakes Regional Recreation Area, Ensenada Pavilion, 2100 Isherwood Way, Fremont, CA 94536. The event features 5K, 10K, Half Marathon, 30K, and Marathon, plus youth races and a Kids Run. The course begins in the Quarry Lakes area and follows the Alameda..

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..

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..

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..

Woodside Ramble, held at Huddart County Park in Woodside, CA, offers 10K, half marathon, 35K, and 50K trail races through Huddart and Wunderlich Parks along redwood-canopy trails, including Crystal Springs and Skyline Trails, with streams, canyons, and sweeping ridgeline views. The course features m..

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..

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 Hacienda Hills Trail Run - Winter is a trail running event held at Almaden Quicksilver County Park near San Jose, California. It offers nine race distances ranging from a Kids Run and 1 Mile to challenging 50K and Marathon options, all featuring increasing elevation gain through scenic Northern..

Crystal Springs Trail Run is a multi-distance trail race in Woodside, California, weaving through Huddart Park, King’s Mountain, and Bear Gulch. The event offers 8K, Half Marathon, 35K, Marathon, 50K, and a free Kids’ Run. Runners traverse towering redwoods, lush ferns, and varied terrain, with cour..

Pacifica Foothills Trail Run takes place at San Pedro Valley Park, Pacifica, CA. Runners choose among 10K, half marathon, and 30K, all on dirt trails atop Mt. Montara and surrounding foothills.The course is mostly technical single-track with significant elevation gain (approximately 1,200 ft for 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,..

Mt. Umunhum Trail Conquest-Winter is an endurance trail running event in San Jose, California, starting at the Hacienda Entrance of Almaden Quicksilver County Park. Runners can choose 5K, 7 Mile, half marathon, 30K, trail marathon, 50K, and a Kids Run.The 30K climbs Bald Mountain, while the Trail Ma..

Bay Breeze, held at San Leandro Marina Park, offers half marathon, 10K, and 5K races along a scenic bayside route by the San Francisco Bay. The mostly-flat course hugs the shore, staying close to the water for a picturesque run. Hikers and walkers are welcome.Races are professionally timed with bib-..

Redtail Ridge at Lake Chabot Regional Park in Castro Valley, CA offers multiple distances: 5K, 10K, Half Marathon, 30K, and 50K. The course unfolds on a mix of moderately technical dirt trails and non-technical fire roads, with some paved sections, and features rolling hills that reward pacing and t..

Montara Mountain Trail Run takes place at San Pedro Valley Park in Pacifica, California. The Coastal Trail Runs event offers 10K, Half Marathon, 20 miles, Marathon, 50K, and a free Kid’s Run. Runners traverse Montara Mountain, with coastal views and stands of huckleberry, honeysuckle, lilac, chinqua..