Trail Running calendar near Folsom 2026-2027

Experience the final 70 miles of the Western States trail during this three day training event featuring supported runs of 19, 20, and 32 miles through iconic canyon terrain and mountain climbs.

A trail event on the El Dorado Trail in Placerville on May 23, 2026, offering distances from a kids run to a half marathon, paved and unpaved sections, aid stations, color-coded course markings, and medals for finishers.

A dog friendly 5K and 1 mile event at North Tahoe Regional Park with an expo, non competitive activities, and a fundraiser supporting local animal rescue and veterinary care.

An evening trail event at Dos Rios State Park near Modesto offering 3 mile and 5 mile runs on fire roads along the Tuolumne River. Free registration and an informal post run gathering with donations supporting park rangers.

Trail races on May 31, 2026 in Arnold, CA offer distances from 5k to a new 50k ultra across the Arnold Rim Trail and White Pines Lake Park, with proceeds supporting the Arnold Rim Trail Association.

A 10km trail run on the Olmsted Loop at Auburn State Recreation Area in Cool, California on June 6, 2026. The race takes place the same day as the Coolest Ride and Tie and Equathon events.

The Cool Summer Night Run will take place in Cool on Saturday 6 June 2026. You can run 10 kilometers.

Trail races of 5K and 10K along wetlands, oak bluffs and historic rock-dredge terrain on the north shore of Lake Natoma. Entry fees vary by date and proceeds benefit the Rachel Anne Gray Memorial Scholarship.

Scenic trail runs on the north shore of Lake Natoma in Fair Oaks with 5K, 10K and a kids run under 10. Hosted by the Fair Oaks Recreation & Park District, proceeds benefit the Rachel Anne Gray Memorial Scholarship.

A monthly community hike with an optional trail run pace at 5551 Giant Highway in Richmond, CA. Organized by FIERCE Advocates with Moving Forward and Richmond Run Club, the series runs on first Saturdays in 2026 and shares route details bef..

A 200 mile trail race around Lake Tahoe on sections of the Tahoe Rim Trail, featuring lake views, aspen meadows, rock gardens, small alpine lakes and long ridgelines. The event dates are June 12–16, 2026.

Trail weekend in Cool, California with looped 13.5 and 11.5 mile courses forming distances from 5K to 100K. Marked single track and fire roads, live chip timing, aid stations, and finisher awards for every distance.

A 100 mile trail race in Cool, California on June 13, 2026, run on repeated 13.5 mile and 11.5 mile loops over single track and fire roads with about 13,600 feet of elevation gain. Finishers receive a handcrafted buckle and live tracking is..

Three distances start and finish at the Village at Palisades Tahoe with scenic out and back courses along paved trails by the Truckee River. Aid stations, race shirt, finisher medal, free photo, and beer for participants 21 years or older.

Trail races of 30K, 10K, 5K and a Kids 1K take place at Lagoon Valley Park in Vacaville. Courses are marked and supported with aid stations offering drinks and snacks.

A 5K run and walk on the trails of the Cosumnes River Preserve in Galt, CA, offered as an in-person outdoor event on June 13, 2026. The listing notes an overall duration of about three hours and free online ticket availability.

A 100-kilometer ultramarathon near Lake Tahoe with 11,500 feet of climbing and over 23,000 feet of elevation change on mostly singletrack. The course reaches about 9,800 feet and passes Star Lake.

A four day Skyrace at Palisades Tahoe on June 18–21, 2026, offering technical mountain distances from a steep Ascent to a 46K, plus youth and multi-day Crown options. The courses feature alpine exposure, ladders, hand lines, and a large pri..

A two-part Auburn event: a 100 person relay with each runner covering one mile on a mostly uphill trail, and a public 20 day challenge to complete 100 miles at any pace. Relay spots require a sub 10 minute mile; challengers earn a finisher..

A 100 mile trail race along the trans Sierra Western States Trail from Olympic Valley to Auburn, featuring over 15,000 feet of ascent and more than 22,000 feet of descent. Entry for 2026 is allocated by a lottery system.