Trail Running calendar near Rio Linda 2026-2027

A point-to-point 100-mile ultramarathon from UC Berkeley to Skyline High School in Oakland, featuring about 18,000 ft of elevation across ridgelines, redwood forest and lake trails; the 2026 race is sold out with a waitlist.

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 new trail race at Lagoon Valley Park in Vacaville offering 30K, 10K, 5K and a kids 1K fun run. Routes traverse single track, fire roads, oak groves and a lagoon, with marked courses, aid stations and long sleeve tech shirts.

A 5K fun run and walk at Cosumnes River Preserve in Galt, California on June 13, 2026. The in person event follows trails within the preserve, is organized by Cosumnes River Preserve, and has free admission.

Tails & Trails Charitable Walk/Run in Santa Rosa supports Dogwood Animal Rescue with in person and virtual options, flat scenic trails, a community finish area, and a limited edition 2026 dog bandana for participants.

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.

A community event in Auburn CA offering a 100 runner relay with one mile per runner and an open 100 mile multi day challenge, both with a $35 entry and finisher items for participants.

Live and virtual options at Lake Chabot feature 5K, 10K, and a half marathon with multiple aid stations, on-course nutrition, race apparel and a woodallion, post-race beverages, and a brewfest atmosphere.

A trail event on June 26, 2026 in Olympic Valley that starts at the Western States 100 line, runs around High Camp, and includes a kids 100.2 m dash. The day finishes with an after party at High Camp Lodge and live music.

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.

A 10-mile trail race in Redwood Regional Park with single-track terrain, a timed 0.8 mile hill climb, age-based handicap starts, limited to 250 runners, and a team competition.

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

A community Independence Day event at Sycamore Grove Park featuring a flat 5K on mixed paved and dirt trails and a 400 meter kids run for ages 10 and under. T shirts are included with race fees.

A monthly outdoor meetup in Richmond combining a community hike with an optional trail run, organized by FIERCE Advocates with Moving Forward and Richmond Run Club. Sessions include route details posted before each date and free parking.

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 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.

Timed trail races at Point Pinole on July 25, 2026 offer 12 hour, 6 hour and 3 hour formats on a 3.37 mile loop with shoreline views and eucalyptus groves. Solo runners and two or three person teams are accepted, and entry includes an all d..