Trail Running calendar near Folsom 2026-2027

A multi-day ultrarunning event in Auburn, California (Sept 18-21, 2026) offering timed solo races and team relays on a looped course, staffed aid stations, milestone buckles, on-site amenities, and family cheer zones.

Trail runs at Granite Beach on Folsom Lake with new 10 mile and 5K courses, aid stations, age group awards, a finisher beer glass and a postrace meal.

Rocky Ridge is a trail running event at Las Trampas Wilderness in San Ramon, California on September 19, 2026. It features a half marathon plus 10K and 5K courses with uphill trail sections and scenic vistas.

A community ultramarathon and hike on a 3.3 mile loop at Skyline Wilderness Park in Napa supporting the Pheo Para Alliance. Participants can do one to ten loops with alternating loop directions each hour and on site aid and awards.

The Great Trail Race is a point to point event between Truckee and Tahoe City, California, on Saturday, September 26, 2026. Participants may choose gravel bike, mountain bike, or trail run and select either an Elite or Classic course.

Trail races along the Western States Trail near Auburn, California on September 27, 2026. Distances include a half marathon, 12K and 5K with electronic chip timing and finisher medals and t shirts.

A student-run trail event on September 27, 2026 at George Whittell High School in Zephyr Cove, Nevada. It features a 5K trail and an 800 meter kids' fun run, with natural trail features, student-designed shirts sold separately, and no pets..

Three days of trail running around Zephyr Point on the Tahoe Rim Trail, Flume Trail and Pacific Crest Trail. Each day offers long and short route options and the event includes lodging and catered meals.

A self-guided point-to-point 50K from South Yuba Campground to Bear Valley in Nevada City, CA held during October 2026. Runners complete the course in one continuous effort and self-report results to receive a finisher award and ranking.

Trail runs near Bear Valley and Lake Spaulding with a 50K and a 24 mile option. The 50K includes a summit loop with about 5,700 ft of gain, rocky sections on Signal Peak OHV Road, cupless aid stations, and finisher medals.

Trail races on the shores of Fallen Leaf Lake and over Tahoe Mountain in South Lake Tahoe on October 4, 2026. Distances range from a toddler half mile Tadpole Trot to a half marathon, and event proceeds support local charities.

A fall trail event in Auburn featuring three distances along the American River Canyon, aid stations on the longer courses, live music, and complimentary cider pours at Ponderosa Cider Co on October 10, 2026.

Granite Head Trails & Ales Trail Races feature 6.6-mile and 11.2-mile courses. Runners get a tech T-shirt and can enjoy post-race fajitas and a beer. The event is the final race in a local trail running series.

A 12.4 mile loop up to the Mount Diablo summit and back in Clayton, California, featuring about 4,000 feet of ascent and descent and a 5 hour cutoff. Entry includes a shuttle, raffle entry, and a unique finisher item.

Trail races from 5K to 35K around Briones Reservoir near Orinda, CA, featuring mixed single-track and fireroad terrain, chip timing, cupless aid stations, and a 300-runner capacity.

A free, fatass-style off-trail run near Foresthill, CA with 25 and 50 mile options, heavy climbing, route finding, and a 50-person limit; organizers maintain a waiting list that has historically admitted everyone.

Trail races in Nevada City on October 11, 2026 featuring a half marathon, 10K and 5K across mixed terrain with aid stations and historic trail features.

Insomnia is a night trail race in the Sierra Nevada foothills offering 35K, 14K and 5K options. Courses are marked with reflective ribbons and headlamps are required; the 35K has a 5 hour 30 minute overall cutoff.

Trail running in Cool, California with 5k, 10k and half marathon options on Sierra Foothills trails. Proceeds support Georgetown Divide Ready by 21 and a Camp Taylor scholarship; family packages, childcare, and a post-race breakfast are inc..

Run through the historic site of the 1848 gold discovery in California. This event features multiple trail distances from a 5K to a Half Marathon on scenic singletrack paths along the American River.