Trail Running calendar near Vacaville 2026-2027

The Salmon Falls 50K is a point-to-point trail ultra from Coloma to Folsom Lake, featuring a half marathon option. This non-profit event supports type 1 diabetes research and explores the trails of Cronan Ranch.

The Zoom Angel Island will take place in Tiburon on Sunday 1 March 2026. You can run between 5 and 15 miles.

Way Too Cool brings a 50K and a 10 mile trail run to Cool, California on March 7, 2026, over rolling hills with creek crossings and staffed aid stations. Entries include race shirt, finisher medallion, timing, on course nutrition, and post..

Trail event near La Honda, CA offering 10K, half marathon and 50K routes across Skyline, Russian Ridge and Monte Bello preserves, with varied surfaces, multiple aid stations and specified cutoffs.

This event combines a scenic 5K trail run or a one-mile fun run/walk with a Polar Plunge fundraiser. The runs take place before participants brave the waters at Granite Bay Main Beach to support Special Olympics Northern California.

A spring trail event at China Camp State Park offering live and virtual 5K, 10K and half marathon options. Courses include technical single track and substantial elevation and organizers do not offer refunds.

A 50K trail run in Foresthill, California that follows sections of the Western States Trail on an out and back course. The route starts at Drivers Flat, turns at Dardanelles Creek, includes six aid stations and has a cutoff of 9 hours 30 mi..

Event Overview The Marin Ultra Challenge is a long-distance trail race in Marin County, California. It will be held on Saturday, March 14, 2026. The event offers two race distances: 50 miles and 50K. It is described as a physically demandin..

A multi-distance trail event on the Southside Trail at Folsom Lake featuring mostly single-track running, lake and Sierra views, technical sections, course markings, aid stations, and commemorative medals for finishers.

A trail running weekend in Marinwood, California, with 28K and 50K single loops plus a point-to-point 100K, featuring routes that summit several high points and offer wide views across the San Francisco Bay Area.

A themed trail event in Cool, California offering 50K, 25K and 10K on marked courses with mapped routes, aid stations, live timing, participant shirts and finisher medals.

Run through the scenic single track trails of Bothe Napa Valley State Park. Choose from marathon, half marathon, or 10K distances on this popular course. Participation is limited to 300 runners for the annual trail event.

A trail event in Oakland through Redwood Regional Park offering distances from a kids 50 yd dash to a 50K. Marked loops, aid stations every 5 to 6 miles, cupless event.

Event Overview The 15th Annual Spirit of Benny 10K/5K Fun Run and Walk is a fundraiser supporting non-profit organizations that help seriously ill children and their families in El Dorado County, California. For this final edition, proceeds..

A 22.5K event in Clayton, California on March 21, 2026, organized by Nomadic Adventure Club; registration closes March 20 and donations support the club’s free community initiatives.

The Lag Bon 10K is a trail race on March 22, 2026, in the Marin County watershed. This event supports clean water initiatives while offering a technical 10 km course with views of local reservoirs. Registration is limited to 100 runners.

A half marathon on March 22, 2026 in La Honda, California, the Horseshoe Lake course runs through Skyline Ridge Open Space Preserve with ocean and bay views. The trail mix and 2230' ascent support The Hatuey Project with entry fees matched..

Join the Western Pacific event on a mostly flat course in Fremont, California. Run on historic trails along Alameda Creek, starting and finishing at Quarry Lakes. Choose from the half marathon, 10K, or 5K distances.

Event Overview The Knickerbocker Canyon Trail Run offers four distances: 5K, 10K, Half Marathon, and 35K. The courses are run on the historic Western States trail near Auburn and Cool, California. The route includes sections along the banks..

Trail races along single track by Folsom Lake on March 28, 2026, with 5K, 10K, 8 Mile and half marathon options. Courses feature dirt and rock surfaces, rolling hills, marked navigation and aid stations, and a commemorative medal for finish..