Trail Running calendar near Fair Oaks 2026-2027

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 50K point to point course from South Yuba Campground to Bear Valley near Nevada City, CA, run any time from October 1 to 31, 2026. Runners complete the course in one continuous effort and submit an activity link within one wee..

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.

Kokanee Trail Runs in South Lake Tahoe on October 4, 2026 offers a half marathon, 10K, 5K and a noncompetitive half mile for children, scenic views of Lake Tahoe, aid stations with Tailwind, and proceeds benefiting local charities.

Trail races in Auburn, CA along the American River Canyon with 50K, half marathon, and 5-mile options, post-race cider and a commemorative glass, plus age group awards and a charity matching program.

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 from Mitchell Canyon to the Mount Diablo summit and back, featuring about 4,000 feet of climbing and descending. The entry fee includes shuttle service, a raffle entry, and a finisher item.

A trail event around San Pablo and Briones Reservoirs offering 5K, 10K, half marathon and 35K on single track and fire roads. Aid stations, race shirts, and a 300 runner capacity are part of the event.

A rugged fatass trail event near Foresthill, CA offering 25 mile and 50 mile options with extensive off trail sections, large climbs, limited to 50 entrants, free to enter.

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.

A trail running event at Mount Diablo in Walnut Creek on October 17, 2026 offering 30K, Half Marathon, 10K and 5K courses on hilly trails where mud and creek crossings are possible.

A 5k cross country race run in two loops around Willow Hill Reservoir next to Folsom High School, part of the Pacific Association USATF Cross Country Grand Prix, with a $75 bonus for breaking an age group record.

A themed charity run and community festival on October 18, 2026 in Downtown Roseville, CA, supporting the bleeding disorders community. The day includes a timed 5K, a one mile walk, festival food, carnival games, and a remembrance ceremony.

A Last Person Standing format at Beals Point, Granite Bay where runners complete a 4.16 mile loop each hour until one remains. A 12 hour Mini version is available, with start area aid and wood awards plus a quarter zip for entrants.

A repeating 4.16-mile trail loop event at Beals Point where runners start a new lap each hour until one remains; a Mini version ends after 12 hours. Aid is only at the start/finish and personal aid areas are encouraged.

The Rubicon is a remote on and off trail backcountry foot race near Oxbow Reservoir, CA. It offers three routes from about 15 to 43 miles with substantial elevation gain and multiple water crossings.