Trail Running calendar near Rio Linda 2026-2027

A community charity walk and run at Howarth Memorial Park supporting Dogwood Animal Rescue Project, with a 1.5 mile course and a virtual option that ships a race packet including a limited-edition dog bandana.

A four day Skyrace at Palisades Tahoe on June 18–21, 2026, offering technical mountain distances from a steep Ascent to a 46K, plus youth and multi-day Crown options. The courses feature alpine exposure, ladders, hand lines, and a large pri..

A two-part Auburn event: a 100 person relay with each runner covering one mile on a mostly uphill trail, and a public 20 day challenge to complete 100 miles at any pace. Relay spots require a sub 10 minute mile; challengers earn a finisher..

Experience the scenic trails of Lake Chabot Regional Park with a variety of distances including a 5k, 10k, and half marathon. Enjoy a lively atmosphere with a post-race brewfest and handcrafted finisher awards.

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.

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 10 mile trail race in Oakland that starts at Chabot Space and Sciences Center, featuring hilly single track and the Woodmonster climb. The event uses reverse handicap starts by age, includes a team competition, and a hill climb prize.

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.

Iron X is an extreme ironing half marathon in Auburn, CA where participants run the course and stop to iron a button up shirt at eight specified locations while carrying their own ironing gear and recording video proof.

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.

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..

A 12.5 mile point to point mountain trail race on Donner Summit in Soda Springs, California on July 25, 2026. The course covers four summits with 3,300 feet of elevation gain and includes shuttle service from the finish to the start.

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..

A loop trail race from Lake Chabot Marina through East Bay Regional Parks with substantial climbing, offered as a 50K and 21K on August 2, 2026. Finishers receive a shirt, socks, and a medal.

A time-based trail event at Skyline Wilderness Park offering 12 hour, 6 hour and 3 hour options on a 4.16 mile loop with 815 feet of climb per lap; chip-timed, cupless, and limited to 500 entrants.

A high Sierra trail race on August 8, 2026 near Horse Canyon Trail Junction, offering four distances up to a 50K run as three 10.5 mile loops with about 7,500 feet of climbing. Two aid stations and a 100 runner limit are in place.

Trail races in Lafayette on August 8 2026 include a half marathon, 10K and 5K through Briones Regional Park. All courses have hills and use electronic chip timing; finishers receive medals and shirts.

Experience the trails of Redwood Regional Park in Oakland. Runners can choose from distances ranging from a 50 yard kids dash to a 50K ultramarathon through scenic ridge lines and redwood groves.

A community fundraising race in Oakland that supports the Oakland Cubs youth running team and its scholarship programs. The event features a Kids Fun Run and 5K trail runs at 3594 Sanborn Dr on August 16, 2026.