Trail Running calendar near El Dorado Hills 2025-2026

We have found 52 Trailruns within 80 miles of El Dorado Hills. See below where and when you can find the races.

Run the scenic trails of Mount Diablo near Walnut Creek on April 4, 2026 with Brazen Racing, offering distances from 5K to 50K. A portion of entry fees benefits Save Mount Diablo so you can race and help protect the park.

Run scenic trails along the American River Parkway with 50 mile, 25 mile or 10 mile routes all finishing in Auburn. Enjoy race swag, a handcrafted finisher medallion, on course fuel, and a festive post race beer garden.

Join the Wild Flowers 10K in Auburn, CA on April 11, 2026 for a scenic trail loop featuring rolling terrain, single track and stunning viewpoints. Expect stocked aid stations, lively course support and chances at big prizes and travel award..

Run scenic lakeside trails at Folsom Lake on April 18, 2026 in the Outlands Endurance Race. Choose 25K, 50K, or 50M courses across single track and wider trails with stocked aid stations and finisher swag.

Find your pace along scenic Lake Del Valle at the Badger Cove races in Livermore, with half marathon, 10K, 5K and remote options for runners, hikers and walkers. Enjoy chip timing, custom finisher medals and shirts while supporting East Bay..

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.

UTMB Index
May 2026

Join Angwin to Angwish, a scenic trail run through Pacific Union College woods with 26K, 10K and a 1 Mile Kids Run for ages 7 to 12. Family friendly, cupless event with race day check in and proceeds benefiting PUC Athletics.

Hit rugged singletrack at the Napa Wilderness Trail Runs in Skyline Wilderness Park, with 10K, 21K, 30K and 50K options. Expect steep climbs, sweeping valley views, spaced aid stations and a true backcountry trail experience.

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..

June 2026

The Tahoe 200 is a 200.2 mile ultramarathon around Lake Tahoe on National Forest lands, with ridge runs, alpine lakes, rock gardens and Desolation Wilderness views. With robust aid and a 105 hour cutoff this qualifier for Hardrock 100 and W..

Run the Cool Moon Trail Races in Cool, California on June 13 and 14, 2026 with distances from 5K to 100K on scenic singletrack and fire roads. Live tracking, chip timing, finishers get shirts and medals plus a 100K buckle and 50 mile plaque..

Tackle 100 miles in Cool, California on alternating lap loops through scenic singletrack and fire roads. Well marked with aid stations and crew access at the start, finishers earn a handcrafted Comstock Heritage buckle and medal.

The Tahoe 100k is a mountain ultramarathon in the Sierra Nevada near Stateline, Nevada, covering 62.9 miles on mostly singletrack with 11,766 feet of climb and sweeping ridgeline views. Run past alpine Star Lake over rugged trail and aim to..

Test yourself on high alpine terrain at Palisades Tahoe with Broken Arrow Skyrace, a four day mountain running festival June 18 to 21, 2026. Choose from a Vertical K to the signature 46K across technical, above tree line courses.

Run the legendary Western States 100, a 100.2 mile trail ultramarathon through Sierra high country and gold country with 18,000 feet of climbing and scenic river crossings. The 2026 race is June 27 to 28 and entry is by lottery.

July 2026

Run the Tahoe Rim Trail around Lake Tahoe with four distances from 23K to 100 mile, featuring scenic single track and big climbs plus a demanding 100 mile with 20,000 feet of gain. Live GPS tracking for 100 mile, 100K and 50K.

Run scenic singletrack and river canyons around Downieville, California in the Lost Sierra Endurance Race with 25K, 50K, and 100K options. Rugged mountain trails, solid aid support, and a lively finish await.

September 2026

Join the new Mammoth Bar Trail Runs on Sept 6, 2026 in Auburn CA with Half Marathon and 10K on single track and double track trails. Expect steep climbs, thrilling descents and sweeping views of the American River Canyon.