Trail Running calendar near Yuba City 2025-2026

Tackle scenic single track along the American River at Knickerbocker Canyon Trail Run near Auburn. Choose 35K, half marathon, 10K or 5K routes with river crossings, big climbs and rugged trail that rewards grit and views.

Run the classic American River Endurance Runs from Folsom to Auburn, featuring 50 mile, 25 mile and 10 mile trail races that finish at the Auburn Overlook. Scenic river corridor, on course support, and a festive post race atmosphere.

Lake Sonoma race weekend in Geyserville on April 11, 2026 hosts a Western States qualifying 100K, a rolling 50K, and the Trail Sisters half for women. Expect scenic lake overlooks, lively aid stations, and campground vibes.

Napa Valley Endurance Run in Calistoga on April 12 offers 50K, 35K, half marathon and 10K across scenic single track and fire roads. Expect big climbs, vineyard views, UTMB Index status and a custom finisher medal.

Outlands Endurance Race at Peninsula Campground in Pilot Hill offers lakeside singletrack and double wide trails around Folsom Lake on 25K, 50K and 50M out and back courses. Full aid, finisher swag, wood awards and a post race meal.

Run scenic trails around Annadel State Park in a community fundraiser with a half marathon, 10K and 5K. Celebrate Earth Day with cup free aid stations and help support Trione Annadel State Park and Sonoma County Parks Foundation.

The Canyons Endurance Runs will take place in Auburn from Friday 24 April 2026 to Saturday 25 April 2026. You can run between 25 and 161 kilometers.

Join Tails & Trails on May 3, 2026 in Windsor CA to support Dogwood Animal Rescue with a fun 5K, Dogwood Dash, or virtual option. Bring your pup for a dog friendly run and help animals in need.

Explore Napa's Skyline Wilderness Park on May 16 with 50K, 30K, half marathon and 10K trail runs through rim rock climbs and panoramic views of Mount Diablo, Mount Tam and Mount Saint Helena. Aid stations and on course support keep you movi..

Rimrock 50 Mile Trail Challenge in Napa invites solo runners and two person relay teams to tackle two scenic loops through Skyline Wilderness Park and nearby preserves. Expect staffed aid stations, on site camping, and hearty post race food..

Run scenic paved trails in Roseville on May 16, 2026 at the Wild Rose Half Marathon or join the fun 5K run or walk, finishing at Moksa Barrel House. All finishers get a medal and drink ticket and runners choose a tech shirt or BOCO hat.

Western States Training Camp - Memorial Weekend (May 23-25, 2026) The event takes place in Foresthill, CA (24750 Foresthill Rd) over Memorial Day weekend. It offers three training runs that cover the final 70 miles of the Western States cou..

Run the Cool Moon Trail Races in Cool, California on June 13-14, 2026, with options from 5K to 100K on scenic single track and fire roads. Well marked routes, lively aid stations and live runner tracking make for an unforgettable trail week..

Take on a scenic 100 mile trail challenge near Cool, California featuring looped singletrack and fire roads with about 13,600 ft of climbing. Live tracking, regular aid and a handcrafted buckle await finishers.

Broken Arrow Skyrace is California's first skyrunning event, held at Squaw Valley (Palisades Tahoe) in the Sierra Nevada. Presented by Salomon and organized by Alpenglow Mountain Racing, it offers multiple mountain-running distances: 11K, 1..

Experience the world's oldest 100 mile trail race as runners tackle 100 miles from Olympic Valley to Auburn across rugged Sierra trails. Finishers earn silver or bronze belt buckles for sub 24 or 30 hour completions.

Run the rugged Sierra singletrack in the Lost Sierra Endurance Race in Downieville on July 25, 2026, with 25K, 50K, and 100K options to challenge every level. Celebrate with fellow runners at a friendly post race gathering in town.

Tackle rugged single track trails and steep climbs at Mammoth Bar in Auburn, California, with sweeping views of the American River Canyon. Choose a half marathon or 10K and test your trail legs at this scenic, challenging outing.

Run scenic shoreline and single track trails at Granite Beach for the Gold Rush Growler, with new 2026 courses and options of 10 miles or a 5K. Every finisher gets a beer glass and a cold local IPA for ages 21 and over.

Tackle rugged singletrack and rocky climbs near Emigrant Gap at the Signal Peak Trail Runs on October 3, 2026, with 50K and 24 mile options. Expect technical terrain and a summit loop that rewards 50K runners with sweeping views of Bear Val..