Trail Running calendar near Sand Harbor 2026-2027

Trail races on May 31, 2026 in Arnold, CA offer distances from 5k to a new 50k ultra across the Arnold Rim Trail and White Pines Lake Park, with proceeds supporting the Arnold Rim Trail Association.

A 10 km trail run on the Olmsted Loop Trail in Cool, California on June 6, 2026. The route follows rolling hills beside the American River Canyon and includes a staffed aid station near mile 3.

The Cool Summer Night Run will take place in Cool on Saturday 6 June 2026. You can run 10 kilometers.

Trail run on June 6, 2026 at Lake Natoma in Fair Oaks offering 5K, 10K and a kids run for under 10 years old. Routes pass wetlands, oak woodlands and single track; proceeds support the Rachel Anne Gray Memorial Scholarship.

A 200.2 mile ultramarathon around Lake Tahoe using the Tahoe Rim Trail and National Forest lands, featuring many single-track sections, multiple aid and sleep stations, and a 105 hour cutoff. The course is currently an out and back route.

A multi-distance trail event in Cool, California on June 13 and 14, 2026 featuring 13.5 and 11.5 mile loops, live runner tracking, single track and fire road terrain, and finisher awards for every distance.

A 100-mile trail event on two alternating loops in Cool, California, totaling about 13,600 feet of elevation gain. The race features marked single track and fire roads, aid stations, chip timing with live tracking, and handcrafted finisher..

A half marathon, 8 miler, and 5K held at The Village at Palisades Tahoe with courses on the paved Truckee River Trail, aid stations and on-site medical support, and event amenities including a T-shirt, medal, and post-race beer for 21 plus.

A 100-kilometer ultramarathon near Lake Tahoe with 11,500 feet of climbing and over 23,000 feet of elevation change on mostly singletrack. The course reaches about 9,800 feet and passes Star Lake.

A four day mountain running event at Palisades Tahoe near Lake Tahoe, California. Races range from a kids run to a 46K and include steep off trail sections, ladders, hand lines and a Via Ferrata.

On June 20, 2026 at Sparks Marina runners complete a *4.167 mile* yard each hour until one person remains; mini Backyard races of 3, 6, 12, and 24 hours use the same rules and award finishers.

A community 100 mile project in Auburn with two options: a 100 runner relay where each runner covers 1 mile, or a 100 mile in 20 days individual challenge with a finisher buckle.

A 100 mile trail race along the trans Sierra Western States Trail from Olympic Valley to Auburn, featuring over 15,000 feet of ascent and more than 22,000 feet of descent. Entry for 2026 is allocated by a lottery system.

The Big Chief 50K will take place in Tahoe City on Sunday 28 June 2026. You can run 50 kilometers.

The Burton Creek Trail Run will take place in Tahoe City on Sunday 28 June 2026. You can run between 6 and 21 kilometers.

The Run to the Beach - Tahoe Vista will take place in Tahoe Vista on Saturday 4 July 2026. You can run between 5 and 10 kilometers.

A 3 mile walk and 5 mile run around Lower Twin Lakes at about 7,000 feet elevation, with two aid stations. The event starts and finishes at the Lower Twin Lakes Store and benefits the Coleville High School Sports Boosters.

An unconventional half marathon in Auburn that blends running with extreme ironing, requiring participants to iron a button up shirt at multiple public locations while remaining self supported and documenting each stop on video.

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.

Trail races around Downieville featuring 100K, 50K, and 25K courses on mostly singletrack with stocked aid stations, required gear for the 100K, limited local lodging, and distance specific awards.