Trail Running calendar near Jamestown 2026-2027

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.

Experience trail running along the scenic Millerton Lake and San Joaquin River in Friant. This event features 10k, 25k, and 50k races with regular aid stations and support for long distance runners.

A point to point half marathon on the Southside Trail around Folsom Lake featuring mostly single track, about 1,683 ft of ascent, multiple aid stations and toilet access. The race starts at Salmon Falls Boat Launch and finishes at Brown's R..

Join a community run and walk along the scenic trails of the Tuolumne River Regional Parkway in Modesto. Support the Sole Support Sponsorship Program while completing a 5K course alongside friends and family.

Trail races on single-track trails around Folsom Lake with distances from a kids run to 50K, marked routes and staffed aid stations; parking is paid and dogs are not allowed on course.

Experience a winter run through the technical terrain of the Red Hills Recreation Area in the Sierra Foothills. Choose between six or twelve mile distances featuring water crossings and muddy trails in a scenic natural environment.

Experience a trail running event in Auburn featuring four major climbs and 6000 feet of elevation. Choose from distances ranging from 13km to 50km on a course with less than one mile of pavement.

Experience a point to point ultramarathon through the scenic California gold country. This trail race takes runners from Coloma to Folsom Lake while supporting type 1 diabetes research.