Trail Running calendar near Davis 2026-2027

Trail running event in Auburn, California offering half marathon, 12K and 5K courses that start and finish at Overlook Park. The half marathon follows the Western States Trail for more than half its distance.

Experience the Signal Peak Trail Runs in Emigrant Gap California featuring 50K and 24 mile distances. Navigate through scenic terrain with 3300 feet of gain and enjoy a well stocked cupless course with a finish line meal.

Experience a trail half marathon on San Bruno Mountain featuring 2,400 feet of elevation gain and stunning views. Enjoy a scenic route with 93 percent trail coverage followed by a post race meal and finishers medal.

Trail races in Auburn, CA, on runnable single track through the American River Canyon, offering 50K, half marathon, and 5 mile options plus post-race cider and commemorative glass.

Test your endurance at Lake Merced in San Francisco with a scenic 4.5 mile loop course. Choose between a standard run or tackle ultra marathon distances including the 50K and 50 mile events.

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.

Explore Nevada City's trails at the Champion Mine Trail Race. Choose between a scenic half marathon crossing a historic swinging bridge or a 5K run/walk. The event features aid stations, varied terrain, and finishes at the historic Miners F..

Trail races in Cool, California offering 5k, 10k and a trail half marathon. Proceeds support Black Oak Mines Unified School District youth programs and a scholarship fund for Camp Taylor.

Experience the beauty of California wine country at the Sonoma Fall Classic. This event offers challenging singletrack trails and majestic lake views across distances ranging from a marathon to a 100 mile ultramarathon.

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.

Experience the trails of Walnut Creek at the Diablo Summit Stomp 2026 featuring 30K, Half Marathon, 10K, and 5K courses. Walkers and hikers are welcome to join this trail event at Castle Rock Road.

Join the Vampire Run in Roseville for a timed 5K or a 1 mile walk to support the bleeding disorders community. Enjoy a festive atmosphere with costumes, carnival games, and medals for all runners.

The NorCal Backyard Ultra is a unique last-person-standing trail race at Folsom Lake. Runners face a 4.2-mile loop each hour, with the main event having no set finish and a "Mini" version capped at 12 hours. Every participant receives custo..

The NorCal Backyard Ultra presents two endurance challenges at Folsom Lake. Runners tackle a 4.16-mile loop every hour, with a main Last Person Standing event and a 12-hour Mini version. All participants receive custom awards, and the event..

A very difficult, remote on and off trail fatass in the northwestern Sierra Nevada near Oxbow Reservoir. Three routes run from 15+ to 43+ miles with large elevation gain and multiple water crossings.

Experience the autumn scenery of Jenkinson Lake at the Trail Run at Sly Park. This event offers distances from a 5K to a 50K ultra on shaded pine forest trails with rolling hills and lakeside views.

A trail race on October 24, 2026 near Pilot Hill, California featuring a half marathon (two laps) and a 10K on single-track trails with creek crossings, climbs, and a Folsom Lake overlook; field limited to 175 and proceeds benefit the Ameri..

Run through the lush single track trails and babbling streams of Bothe Napa Valley State Park. This exclusive event offers marathon, half marathon, and 10K distances for a maximum of 300 participants.

Support student programs and the Oakland Tech Cross Country team at Joaquin Miller Park. Choose between a five kilometer trail race or a one mile fun run through the redwood trees.

Event Details The Rio Del Lago 100 Mile Endurance Run is a trail race held on Saturday, November 7, 2026, starting at Beal's Point in Folsom Lake State Recreation Area, within the Sierra Foothills of California. Course Information The 100-m..