Trail Running calendar near Folsom 2026-2027

We have found 78 Trailruns within 80 miles of Folsom. See below where and when you can find the races.

Run the Olympic Valley Half Marathon, 8 Miler, or 5K on a fast, flat course starting at the historic 1960 Winter Olympics site. The scenic out-and-back route follows paved trails along the Truckee River. All participants receive a t-shirt,..

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 is a legendary ultramarathon along the historic trans-Sierra trail. Starting in Olympic Valley, the 100-mile route climbs and descends through remote, rugged terrain to finish in Auburn.

The Burton Creek Trail Run offers 6K, 12K, and half marathon distances on beautiful trails through Burton Creek State Park near Lake Tahoe. Participants receive a t-shirt, medal, photos, and for half marathon runners, a BBQ. Discounts are a..

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 5K or 10K trail run at North Tahoe Regional Park. The race finishes at the sandy Tahoe Vista Recreation Area Beach for post-run festivities. Enjoy a costume contest, awards, and included event perks.

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.

The Mountain Tiger Donner Summit will take place in Soda Springs on Saturday 25 July 2026. You can run 20 kilometers.

Tackle the trails of Auburn, CA in this second leg of a 3-part trail series. Choose from a 10.5 or 5.9 mile course through the American River Canyon, featuring challenging hills. Finish with a tech shirt, custom medal, and a celebratory bee..

August 2026

Run a unique multi-loop marathon through California's scenic Royal Gorge. Choose to tackle the 26.4-mile course solo or share the adventure with a partner or team. The event features a central, festive aid station accessible only by shuttle..

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..

Bear Creek 2026 offers a hilly half marathon, 10K, and 5K on August 8 in Lafayette, CA. The scenic trail course features beautiful views and a rewarding downhill finish. All finishers get a custom medal and shirt, and walkers are welcome.

The Spooner Lake 5K and 10K offer a scenic run around Spooner Lake on August 9, 2026. The courses travel on singletrack trails through a forested basin. Registration includes a shirt, medal, photos, and post-race food.

Trail runners take on the Marlette 50K or 10 Miler from the scenic start at Spooner Lake in Lake Tahoe State Park. The courses offer expansive views of the Tahoe region along singletrack trails. The event also includes shorter 10K and 5K ra..

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..

Explore the scenic trails around Jenkinson Lake at Sly Park. Choose from seven distances, from a 5K to a 50K ultra, all starting at the new Scales Parking Lot. Enjoy a day on the single-track trails amidst the pines.

September 2026

This trail running event in Auburn, California, offers half marathon and 10K distances. The courses traverse the steep and scenic trails of the Mammoth Bar OHV area, known for its rugged climbs and canyon views.

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..