Trail Running calendar near Tracy 2026-2027

Support student programs and the Oakland Tech Cross Country team at Joaquin Miller Park. Choose between a five kilometer trail race or a one mile fun run through the redwood trees.

Event Details The Rio Del Lago 100 Mile Endurance Run is a trail race held on Saturday, November 7, 2026, starting at Beal's Point in Folsom Lake State Recreation Area, within the Sierra Foothills of California. Course Information The 100-m..

A trail event at Huddart Park in Woodside on November 7, 2026 featuring multiple distances including a six hour loop challenge, a kids dash for ages six to twelve, and a virtual run option.

Experience a scenic trail run around the Lake Chabot reservoir and hills. With distances from a 50 yard kids dash to a 50K ultramarathon there is an option for everyone at this Castro Valley event.

Trail races around Mt. Tam in Stinson Beach, CA offer 10K, half marathon, 30K and a 50K with aid stations, finisher medals and a prize purse for the 50K. The event is organized by Inside Trail Racing and has a 500 runner capacity.

A November trail event at Rancho Cañada del Oro offering distances from 5K to 50K, with steep climbs, single track and two main aid stations. Runners should carry water and be aware of exposed terrain and rattlesnakes.

Experience a flat and fast trail race through the scenic Quarry Lakes Regional Recreation Area in Fremont. Choose from a USATF certified half marathon, 10K, or 5K while enjoying views along the Alameda Creek Trail.

Navigate the redwood forests and meadows of Santa Cruz in this 2 or 4 hour map based adventure scramble. Explore the wilds in teams of up to five while hunting for 20 unique checkpoints.

A multi-distance trail event in the El Dorado Hills foothills offering routes from 5K to a trail marathon on mostly single-track dirt with rolling hills, aid stations, drop-bag service, and a creek crossing.

Trail race at Darrington Trail Head by Folsom Lake offering 5K, 10K, 18M and 36M on rocky single-track with rolling hills, aid stations, drop bags, and a 10-hour overall time limit.

Celebrate Thanksgiving at Hellyer County Park with a trail race along Coyote Creek. Choose from a USATF certified half marathon, 10K, or 5K while competing for a chance to win a turkey.

A Thanksgiving Day 5K and 1 mile event at San Leandro Marina with canicross teams, kids races, and proceeds benefiting animal welfare; the course is flat with mixed surfaces and free parking is available.

A Thanksgiving Day trail event at Beals Point offering 5k and 10k courses plus a free 1k kids run for under-6s. The race supports Folsom's Hope, features one aid station, and requires runners to bring a cup or bottle.

A 28.4 mile trail event in Mill Valley featuring steep stairs, coastal and forest trails out to Stinson Beach. The Dipsea Trail is run out and back then repeated for a total of four laps with on-course aid stations.

A family-friendly Thanksgiving weekend event at Quarry Lakes Regional Park offering a fast, mostly-flat half marathon, 10K, 5K and a free kids' sprint. The race supports the Alameda County Community Food Bank.

A seasonal cross country event in San Francisco on 12/6/2026 with live and virtual options. Distances include a 5K, 10K, and a nine mile course; all entrants receive race swag and there is a pre race bib and shirt pickup with Brewfest.

A multi-distance trail event at Calero County Park in San Jose featuring single-track, hills and varied terrain. Aid stations, drop-bag service for the 50K, free parking and support access at Rancho Cañada del Oro are provided.

Peacock Gap Trail Run at China Camp State Park on December 5, 2026 offers 10K, half and 30K trail courses with marked single track and fire roads, chip timing, aid stations, and a cupless water policy.

An urban single-loop ultra from Twin Peaks in San Francisco offering 50K and 50 mile options, informal aid from volunteers, a mile 25 cutoff for the 50 mile, and support for the Shoes For Runners charity.

Trail races through redwood groves at Sanborn Regional Park with a half marathon, 10K and 5K. Routes use single track trails and chip timing, and walkers and hikers are welcome.