Trail Running calendar near Calistoga 2025-2026

Challenge yourself at the 39th Golden Gate Park XC Open on November 1, 2025 in San Francisco, a scenic two loop 5k over grass, dirt and rolling hills. The event hosts the USATF Masters 5k XC National Championship alongside competitive open..

Run Rio Del Lago in the Sierra foothills near Folsom Lake on November 1, 2025, with 100 mile and 50K distances. The 100 mile is a Western States qualifier featuring scenic single track, big climbs and full aid support.

Run through towering redwoods at the Oakland Tech 5 km fundraiser, with a 1 mile fun run or walk for all levels. Enjoy scenic trails while supporting Oakland Tech PTSA and the school cross country team.

Test your limits at NorCal Backyard Ultra at Beals Point on Folsom Lake where runners tackle an hourly loop of about 4.2 miles until one remains. Choose Last Person Standing or the 24 hour Mini and soak in scenic lakefront trails.

Join scenic trails around Lake Chabot on November 8, 2025 with distances from 8K to 50K and a free kids dash. Expect rolling hills, well marked routes, finisher medals and tech shirts for pre registered runners at the Marina.

Run scenic, technical trails on Mt Tam with sweeping coastal views and big climbs, then celebrate with food and drinks on Stinson Beach. Four distances from 10K to 50K welcome every level of trail runner.

The Golden Gate Trail Classic will take place in San Francisco from Saturday 22 November 2025 to Sunday 23 November 2025. You can run between 15 and 50 miles.

Join the Wild Turkey on Thanksgiving at Beals Point to support Folsom's Hope with scenic 5 km and 10 km trail races plus a free kids 1 km fun run. Strollers and leashed dogs welcome and enjoy post race refreshments and music.

Join the Quarry Turkey at Quarry Lakes on November 29 for a fast, mostly flat trail 5K, 10K or half marathon with a free kids sprint and family friendly Thanksgiving costumes encouraged. Proceeds benefit Alameda County Community Food Bank.

Quad Dipsea in Mill Valley is a brutal but beautiful 28.4 mile trail challenge with about 9,000 feet of climbing on the legendary Dipsea Trail. Stairs, steep single track and ocean views make the out and back to Stinson Beach an unforgettab..

Run Krampus Cross Country in San Francisco live on Dec 7 or virtually Dec 5 to 8 with 5K 10K and the Naughty Nine Miler. All entrants get a wooden woodallion a Krampus tee and a beer sampler stein plus a brewfest on Dec 5.

Run anything from a 50 yard kids dash to a marathon at Quarry Lakes Regional Recreation Area in Fremont, CA on Dec 6, 2025. Enjoy a mostly flat, scenic Alameda Creek Trail course with pre registered shirts, custom finisher medals and aid st..

Run scenic Marin trails at China Camp State Park with 30K (19.5 miles), Half Marathon (13.1 miles) or 10K. Expect technical dirt trails, a small field vibe, and a cupless format so bring your own bottle.

Run the iconic Hunter S. Thompson Fear & Loathing in San Francisco on December 7, a free grassroots single loop that winds past city landmarks and finishes at Twin Peaks. Choose 50 mile or 50K distances and help support Shoes For Runners.

Run a scenic, challenging loop around Angel Island with sweeping views of the Golden Gate, Alcatraz and San Francisco. Choose the half marathon or 10K and ride the chartered ferry to this intimate 400 runner event.

Experience the Woodside Ramble at Huddart County Park in Woodside CA, a scenic trail run through redwoods and ridge top manzanita. Choose from 10K, half marathon, 35K or 50K for a well marked, chip timed day with aid stations.

Ring out the year with Almost New Year's Eve at scenic Lake Chabot in Castro Valley on 12/27/25. Trail routes for runners, walkers and hikers include 5K, 10K and half marathon distances with free post race photos.

Start the year on scenic Lake Chabot trails with Brazen New Year's Day, offering half marathon, 10K, 5K and virtual options with timed results and free photos. Celebrate challenging trail miles and earn a commemorative medal.

Enjoy scenic shore side trail runs at Granite Beach with two distances to choose from and stunning Folsom Lake views. Finish with a locally brewed IPA for 21 and over, a custom IPA Trail Run glass and a hearty post race meal.

Run a scenic trail 10K or 5K along the shores of Folsom Lake at Granite Beach on January 24, 2026. Well marked and supported, the course features aid stations and beautiful lake views to motivate runners of every level.