Trail Running calendar near Auburn 2026-2027

A community ultramarathon and hike at Skyline Wilderness Park in Napa, CA, featuring a 3.3-mile loop repeated up to ten times in an hourly format to raise funds for the Pheo Para Alliance.

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 race in Auburn on September 27, 2026 featuring a half marathon plus 12K and 5K with much of the half on the Western States Trail.

A student-run trail 5K in Zephyr Cove with an 800 meter kids run, creek and log crossings, medals, popsicles for kids, and student-designed shirts sold separately.

A three day all inclusive trail running festival at Zephyr Point, Nevada, on Tahoe area trails including the Tahoe Rim Trail and Pacific Crest Trail. Each day has long and short route options and packages include lodging, meals and recovery..

Yuba Gold is a self guided *50K* point to point in Nevada City, CA held October 1 to 31, 2026. Runners complete the original South Yuba Campground to Bear Valley course, submit an activity link for ranking, and receive a finisher award.

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 on October 4, 2026 in South Lake Tahoe features a 1/2 Marathon, 10K, 5K and a half mile Tadpole Trot with scenic lake and mountain courses, aid stations, sustainable event shirts, and local charity support.

Trail races in Auburn, California along the American River Canyon rim with live music and free cider. Distances include a 50K, a half marathon and a 5 mile course with aid stations on the longer routes.

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 fatass trail run in Foresthill, CA offering 25 mile and 50 mile courses along the North Fork of the American River. Entry is free and field size is limited to 50 runners, with off trail sections and significant elevation gain.

Trail races in Nevada City on October 11 2026 include a 13.1 miles half marathon, a 10K and a 5K with mixed terrain, aid stations and views along Deer Creek. Organized by Sierra TrailBlazers and Bear Yuba Land Trust.

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..

Trail races in Marshall Gold Discovery State Historic Park offer distances from a Kids Run to a half marathon on singletrack and paved sections, with marked courses, aid stations, a 4.5 hour time limit, and on site parking for a fee.

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 trail running event at Jacks Valley Elementary School featuring fire roads and single track with steep sections and scenic views, multiple distance options, mapped courses in CalTopo, and no finisher or division awards.

Trail races in Upper Bidwell Park featuring a 13.1 mile half marathon and a 4 mile hourly endurance challenge with creek crossings, single track trails, aid stations, bag check, bike valet, and reusable cup provision.

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.

An endurance event at Beals Point, Granite Bay featuring hourly 4.16 mile laps until one runner remains, plus a 12 hour Mini Last Person Standing option. Aid is available at the start area and runners may set personal aid stations.