Trail Running calendar near Riverbank 2026-2027

Trail running event at Almaden Quicksilver County Park offering distances from a kids run to a 50K. Longer courses enter Sierra Azul and include summits of Bald Mountain or Mt. Umunhum.

Trail runs at Granite Beach beside Folsom Lake offering 10 mile and 5K courses with multiple aid stations, finisher medals, and age group and overall awards. Pre-sale shirts are available.

Join the JW House Hope Run in Los Gatos for scenic 5K and 10K routes around Vasona Lake, perfect for runners, walkers and strollers. Proceeds support JW House to help keep families together during medical emergencies.

A trail event in the Red Hills Recreation Area near Jamestown, California on February 7, 2026, offering two tenish distances. Routes run on technical terrain with water crossings, mud, and a single aid station.

Scenic races at San Leandro Marina on February 14, 2026, with half marathon, 10K, 5K and a remote runner option. The mostly flat bayside course stays close to the water and offers views of San Francisco and the Bay.

Redtail Ridge at Lake Chabot on February 21, 2026 features 5K to 50K trail races on mixed dirt trails, fire roads and some paved sections. The event is chip timed, cupless, and limited to 500 runners.

Trail runs at Granite Beach on well marked single track with scenic lake views and stocked aid stations. Distances include a 5K and a half marathon, with finisher medals, race shirts for preorder and age group awards.

Join the Wild Goose Chase at Lime Ridge in Walnut Creek for a map based trail adventure through oaks, quarries, and rock labyrinths. Choose 5K or 10K and navigate an unmarked course to find checkpoints, then enjoy post race treats.

A point to point trail event near Coloma offering a 50K ultrarun and a new half marathon, organized by Coloma River Races to benefit Breakthrough T1D, with multiple aid stations, local finisher medals and age group awards.

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.

Join the Greater Sacramento Area Polar Plunge & Runs for a chilly community plunge and scenic runs. Pick a timed 5K trail or a 1 Mile fun run, fundraise for Special Olympics Northern California and even register as a 'chicken' to stay dry.

Tesoro Viejo Spring Classic in Madera CA offers a half marathon, 10k, 5k run walk and virtual option on groomed trails and through wetland areas, followed by a festival with live music, refreshments and finisher medallions.

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 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.

A community fundraiser in downtown Placerville on March 21, 2026 offering live and virtual 5K and 10K options to support New Morning Youth & Family Services and other local nonprofits serving seriously ill children.

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.

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..

A mostly flat event at Quarry Lakes in Fremont on March 28, 2026 offering half marathon, 10K and 5K distances. Routes follow dirt fire trails with gravel sections and a short paved segment along the Alameda Creek Trail.

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..

Trail runs on Mount Diablo on April 4, 2026 offering 50K, half marathon, 10K and 5K distances with a portion of fees supporting Save Mount Diablo. The half marathon is included in the Brazen Ultra Half Series.