Trail Running calendar near North Fork American River 2026-2027

Experience the scenic trails of Lagoon Valley Park at The Pena Passage. Choose from 30K, 10K, or 5K distances featuring rolling hills and oak groves in a natural setting.

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..

Event Overview The Broken Arrow Skyrace is a four-day mountain running event held at the Palisades Tahoe ski resort near Lake Tahoe, California. It is a multi-distance event inspired by classic European Skyraces. Distances The event feature..

The Western States 100 is an epic ultramarathon on the historic Western States Trail from Olympic Valley to Auburn. It features over 15,000 feet of climbing through remote Sierra terrain. Entry is by a highly selective lottery.

Experience an ultra trail run through the scenic forests between Lake Tahoe and Truckee. This 50 km loop features rocky summits and 4500 feet of elevation gain with full course support and post race festivities in Tahoe City.

Traverse the Sierra Buttes in Downieville, California, with 100K, 50K, and 25K trail races. Experience alpine singletrack and significant elevation gain in this remote mountain endurance event.

Test your limits at Point Pinole Regional Shoreline with three 6 or 12 hour endurance runs on a scenic coastal loop. Enjoy a party atmosphere with an all day picnic and options for individual or team participation.

Mountain Tiger Donner Summit is a point-to-point 12.5-mile trail race on Tahoe's Donner Summit, featuring four summits and 3,300 feet of climb. It includes shuttle service from finish to start. Registration opens in late February 2026.

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..

Experience a unique five loop trail marathon through the protected Royal Gorge land in Soda Springs. Run individually or join a relay team to enjoy expansive wilderness views and a vibrant central community aid station.

Experience a high altitude alpine adventure in the High Sierra of Northern California. Run through scenic wilderness loops near Lake Tahoe with distances ranging from 5.6 miles to a 50K ultramarathon.

Join the Bear Creek 2026 trail run in Lafayette for a Half Marathon, 10K, or 5K featuring scenic views and shaded single-track trails. Runners and walkers alike will enjoy this professionally timed event with custom medals and shirts.

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..

Experience the beauty of Jenkinson Lake at Sly Park Recreation Area with trail distances ranging from a 5K to a 50K ultra marathon through scenic pine forests and rolling single track.

Join this unique trail run at Folsom Lake SRA where you can compete alone or with your dog. Features 10K and 5K courses with specialized awards for different dog weight classes and finisher medals for all.

Experience obstacle course racing at Mahon Ranch with 5K and 10K distances featuring signature Spartan obstacles. Join a weekend of trail running and river crossings in the scenic Northern California farmland near Sacramento.

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.

Experience the natural scenery of Mount Diablo State Park through a variety of trail races. Runners can select distances ranging from 4 miles to a 50K with spectacular views of the San Francisco Bay Area.

Run the scenic Rubicon Trail in a point-to-point race around Lake Tahoe's Emerald Bay. The 7-mile course features technical single-track with granite steps and stunning lake views. Your entry includes a shuttle, medal, and race photos.

Experience a scenic trail run through tall pines and aspens in Incline Village. Participants can choose between one or two laps on a course featuring creek crossings and a festive grass field finish.