Trail Running calendar near El Dorado Hills 2026-2027

Multiple trail distances take place on two scenic loops near Cool, California on June 13-14, 2026, with live tracking and chip timing. Routes combine single track and fire roads and range from a 5K up to 100K.

A 100 mile looped trail ultramarathon near Cool, California covering alternating 13.5 mile and 11.5 mile loops, with live tracking, timed cutoffs, aid stations, and finisher buckle, shirt, and medal.

Experience a scenic run through the historic 1960 Winter Olympics site at Palisades Tahoe. Choose between a half marathon, 8 miler, or 5K on flat paved trails following the beautiful Truckee River.

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.

A 100-kilometer ultramarathon on nearly all singletrack around Lake Tahoe, the Tahoe 100K features 11,500 feet of climbing, peaks near 9,800 feet, three aid stations, and a 24-hour cutoff.

A multi-day skyrunning festival at Palisades Tahoe featuring technical, high-alpine courses and multiple distances including an Ascent, 23k, 46k, the Iron Face via ferrata, and a kids race.

A historic 100.2 mile trail run from Olympic Valley to Auburn on June 27 and 28 2026, featuring high alpine and river crossings, large elevation change, and traditional belt buckle time standards for sub 24 and sub 30 hour finishes.

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.

A July 3, 2026 event at Sycamore Grove Park in Livermore with a flat 5K on mixed paved and dirt trails plus a free untimed 400 meter kids run for ages 12 and under. Registration windows and fees differ by race.

A July 4 trail event at North Tahoe Regional Park finishing on Tahoe Vista Beach, offering 5K and 10K distances, a finish-area costume contest, post-race music and food, and age-group awards.

Iron X is an unofficial extreme ironing half marathon in Auburn, CA where participants run while ironing a button-up shirt at several designated locations; participants must be self-supported, carry their own gear, and record video proof.

A multi-distance trail endurance event on the Tahoe Rim Trail held July 18-19, 2026, offering 23K, 50K, 100K and 100 Mile options. The races are ITRA qualifiers with published time cutoffs and support local trail and community programs.

A trail event in Downieville, California with 25K, 50K, and 100K options on mostly singletrack. Courses include multiple aid stations, substantial elevation gain, and specific equipment and pacer rules for the 100K.

A 12.5 mile point-to-point trail race on Donner Summit near Soda Springs, CA, featuring four summits and about 3,300 feet of elevation gain. Entries include shuttle service, a raffle entry, and a finisher’s item.

Trail run in Auburn California on July 26, 2026 featuring 10.5 miles and 5.9 miles courses through single-track, dirt roads and a canal system with steep sections named Cardiac and Last Gasp.

A multi-loop trail marathon near Soda Springs, CA covering about 26.4 miles and 4,300 ft of gain across Royal Gorge land, with a central aid station, solo and relay options, parking at Soda Springs Ski Resort, and shuttle service to the aid..

Test your endurance at Skyline Wilderness Park in this time based trail run where you complete as many laps as possible in three, six, or twelve hours. Enjoy rolling hills and scenic singletrack in the heart of Napa.

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.

Bear Creek 2026 in Lafayette California offers a half marathon, 10K, 5K and a remote runner option on August 8, 2026. The trail course includes hills, scenic views and a final mile of downhill shaded single track.

The 49th annual Pinecrest Run features a five mile route around Pinecrest Lake and a one mile pavement race. The event raises funds for Pinecrest Expedition Academy and does not allow pets.