Trail Running calendar near Riverbank 2026-2027

Oakland Hills Trail Run features 10K, half marathon and 35K courses through Redwood Regional Park with technical trails, marked routes, aid stations and chip timing. The event is cupless and limited to 330 runners.

A cross-country meet at Radke Martinez Regional Shoreline on October 24, 2026 with three 4.1 mi races over grass, dirt, and path terrain.

Celebrate Halloween with a trail race through San Jose Hellyer County Park. Choose from distances including 5K 10K Half Marathon and Marathon with costume prizes and certified courses.

Trail races in Almaden Quicksilver Park from 5K to 50K over hilly dirt roads and single-track, with two staffed aid stations, drop-bag service for longer distances, and a finisher medal for all participants.

Support student programs and the Oakland Tech Cross Country team at Joaquin Miller Park. Choose between a five kilometer trail race or a one mile fun run through the redwood trees.

Trail races at Beal's Point near Folsom Lake offering a 100 mile and a 50K course with major elevation, stocked aid stations, drop bag and pacer rules.

Trail runs at Huddart Park on November 7, 2026 with 3, 6, 9 mile and half marathon options, a 6 Hour loop challenge, kids dash and virtual race.

Experience a scenic trail run around the Lake Chabot reservoir and hills. With distances from a 50 yard kids dash to a 50K ultramarathon there is an option for everyone at this Castro Valley event.

Experience a flat and fast trail race through the scenic Quarry Lakes Regional Recreation Area in Fremont. Choose from a USATF certified half marathon, 10K, or 5K while enjoying views along the Alameda Creek Trail.

Navigate the redwood forests and meadows of Santa Cruz in this 2 or 4 hour map based adventure scramble. Explore the wilds in teams of up to five while hunting for 20 unique checkpoints.

The Falcon Crest Winter Trail Challenge will take place in El Dorado Hills on Saturday 14 November 2026. You can run between 5 and 42 kilometers.

Trail race at Darrington Trail Head by Folsom Lake offering 5K, 10K, 18M and 36M on rocky single-track with rolling hills, aid stations, drop bags, and a 10-hour overall time limit.

Timed running events at Jacob Myers Community Park on November 21, 2026 let runners see how many miles they can complete in set durations. Options include two, four, six and eight hour races on a loop just under one mile.

Celebrate Thanksgiving at Hellyer County Park with a trail race along Coyote Creek. Choose from a USATF certified half marathon, 10K, or 5K while competing for a chance to win a turkey.

Thanksgiving Day 5K and 10K plus a short Little Turkeys kids race at Point Pinole Regional Shoreline Park with a food drive and virtual options.

A Thanksgiving Day 5K and 1 mile event at San Leandro Marina with canicross teams, kids races, and proceeds benefiting animal welfare; the course is flat with mixed surfaces and free parking is available.

A Thanksgiving Day trail event at Beals Point offering 5k and 10k courses plus a free 1k kids run for under-6s. The race supports Folsom's Hope, features one aid station, and requires runners to bring a cup or bottle.

Quarry Turkey at Quarry Lakes Regional Park on November 28, 2026 offers a mostly flat half marathon, 10K, 5K and a free kids sprint, with costume fun and food bank support.

The Calero Trail Run - Winter will take place in Gold Creek on Saturday 5 December 2026. You can run between 5 and 50 kilometers.

Trail races through redwood groves in Sanborn Regional Park on December 12, 2026 with 5K, 10K and half marathon options, chip timing and finisher medals.