Trail Running calendar near Folsom 2026-2027

We have found 75 Trailruns within 80 miles of Folsom. See below where and when you can find the races.

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.

Run from the historic Village at Palisades Tahoe on fast, flat paved trails along the scenic Truckee River. Choose from a half marathon, 8 mile, or 5K distance. The event includes aid stations, a finisher medal, and post-race refreshments.

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 high-altitude ultramarathon through the Sierra Nevada. Runners face over 11,000 feet of climbing on singletrack trails, reaching nearly 10,000 feet above sea level. This 100-kilometer journey passes by the scenic Star La..

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 July 4th with a scenic trail run at Lake Tahoe. Choose between a 5K or a 10K course that finishes at a sandy beach. Enjoy an attire contest, post race festivities, and a festive holiday atmosphere.

The Leadville Race Series The Leadville Race Series began in 1983 in Leadville, Colorado. That year, 45 runners participated in a 100-mile trek through the Rocky Mountains. Today, the series hosts thousands of participants from around the w..

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.

This alpine trail challenge in California's High Sierra features a 50K course with 7,500 feet of climbing at over 7,000 feet elevation. Runners navigate scenic loops with significant unsupported sections. The event includes four distances a..

Circle the scenic shores of Spooner Lake on single-track trails for a 5K or 10K run in Lake Tahoe State Park. This event offers a beautiful, forested course with aid stations. Registration includes a t-shirt, medal, photos, and food.

Trail running events take place at scenic Spooner Lake in Lake Tahoe State Park. Runners can choose between distances including a 50K, a 10 miler, a 10K, and a 5K. Participants receive race memorabilia, refreshments, and support along the c..

Mountain Tiger South Lake Tahoe is a 12-mile point-to-point trail race on the Tahoe Rim Trail near Stateline, Nevada. With technical singletrack, fire roads, and big views of the lake, it offers a challenging mountain run. Registration incl..

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..

The Emerald Bay Trail Run offers a scenic 7-mile point-to-point course along the Rubicon Trail at Lake Tahoe. This September event includes a finisher's medal, shuttle service, and stunning views of the Sierra Nevada.