Trail Running calendar near Folsom 2026-2027

We have found 73 Trailruns within 80 miles of Folsom. See below where and when you can find the races.

A multi distance trail event near Cool California using two main loops to create races from a 5K to a 100K. Courses use single track and fire roads, include aid stations, live tracking, timing chips, and finisher medals and shirts.

A 100-mile trail race in Cool, California using repeated 13.5- and 11.5-mile loops, with single track and fire roads, aid stations, live tracking, a 37-hour finish cutoff, and pacers allowed after mile 38.5.

Join the scenic Olympic Valley Half Marathon, 8 Miler, or 5K on June 13, 2026 at Palisades Tahoe. Run fast flat trails along the Truckee River, enjoy aid stations, a finisher medal, and post race beer.

The Pena Passage offers trail races through the scenic Lagoon Valley Park. Choose from a challenging 30K with technical trails or shorter 5K and 10K routes. The event includes aid stations and a partnership supporting mental health awarenes..

The Tahoe 100k is a challenging 62.9-mile ultramarathon on Sierra Nevada singletrack. Runners will face significant elevation gain and reach heights over 9,000 feet. The course passes scenic landmarks like Star Lake.

A multi-day mountain running event at Palisades Tahoe from June 18 to 21, 2026 featuring multiple distances, high-alpine terrain with ladders and a via ferrata, youth competitions, and $150,000 in prize money for select races.

The Western States 100-Mile Endurance Run is a 100.2-mile trail race from Olympic Valley to Auburn, California, held June 27-28, 2026, featuring alpine and canyon terrain and offering silver and bronze belt buckles for fast finishers.

A trail running event at Burton Creek State Park near Tahoe City on June 28, 2026. Options include 6K, 12K and a half marathon on single track through pine forest and Sierra meadows.

Take on the Big Chief 50K, a scenic trail run from Tahoe City on single track and fire roads with big climbs and Lake Tahoe views. Aid stations, medical support and a finisher medal make for a rewarding mountain day.

July 2026

Celebrate Independence Day with Run to the Beach, a scenic trail run from North Tahoe Regional Park to Tahoe Vista Recreation Area Beach in Lake Tahoe offering 5K and 10K courses. Finish on the sand with swimming, paddle rentals, music and..

Tahoe Trail in Truckee, California (July 17 to 19, 2026) offers mountain bike and trail running races across multiple distances, an Expo at Northstar California, and kids races. The 100K MTB and 50K run are Leadville Race Series qualifiers.

A mountain trail race in Downieville, California offering 25K, 50K, and 100K routes across high-country singletrack and river canyons. The 100K requires mandatory safety gear and includes multiple aid stations and crew access.

Trail races in Auburn, CA on July 26, 2026 with long and short courses across single-track mountainous trails, canal sections and dirt roads. Post-race items include a tech shirt, finisher medal, beer for age 21 or older and food.

August 2026

A multi-loop trail marathon on Royal Gorge land near Soda Springs, California on August 1, 2026. The route is about 26.4 miles with roughly 4,300 feet of climb and a single central aid station passed four times.

Take on the Thunder Mountain 50K, a High Sierra trail challenge near Lake Tahoe at 7,400 feet with roughly 7,700 feet of climbing and stunning alpine scenery. Three scenic loops, limited to 100 runners, and a commemorative medal for all fin..

Choose a 50K, 10 Miler, 10K or 5K at the Marlette Races around Spooner Lake, running scenic singletrack with sweeping Lake Tahoe and Marlette Lake views. Finishers get a medal, event shirt, post race food and photos.

Choose a 50K, 10 Miler, 10K or 5K at the Marlette Races around Spooner Lake, running scenic singletrack with sweeping Lake Tahoe and Marlette Lake views. Finishers get a medal, event shirt, post race food and photos.

September 2026

Trail races at Mammoth Bar OHV Area in Auburn on September 6, 2026. Single-track and double-track courses include steep climbs, descents and views of the American River Canyon across Half Marathon and 10K options.

Diablo Trail Run on September 6, 2026 in Clayton CA offers distances from a 4 mile Mitchell Canyon course to a 50K, plus a free kids 50 yard dash for age six and younger. Courses use dirt roads and single track with aid stations every 3 to..

Run around stunning Emerald Bay in Lake Tahoe with a point to point 7 mile trail through granite steps and pine forests. Finish with a medal, event shirt, free race photo and shuttle back to the start for easy logistics.