Trail Running calendar near Cool 2026-2027

Choose from three trail distances—50K, 25K, or 10K—starting from the Cool Staging Area in California. Each course features significant elevation change and a generous 10-hour cutoff for the longer races. All participants get a race shirt, a..

Join the final edition of this historic Placerville fundraiser featuring 5K and 10K distances on the El Dorado Trail to support youth and family services.

Join the 11th annual Mighty Dog Trail Runs at Folsom Lake featuring 10K and 5K distances. Runners and walkers can compete with their dogs for finisher medals and special canine bandanas on scenic granite trails.

The Bad Ass Backyard Ultra tests endurance with a relentless hourly loop format in Rio Linda. Complete a 4.16-mile loop every hour to stay in the race. As an official Backyard Ultra, it offers a path to national and world championship quali..

Run on the historic Western States trail at the Knickerbocker Canyon Trail Run. Choose from four distances, from a 5K to a challenging 35K, all starting from American River Overlook Park. The course features river views, the iconic No Hands..

Experience the scenic foothills of El Dorado Hills on single track trails overlooking Folsom Lake. Choose from four race distances ranging from a 5K to a Half Marathon through rolling hills and oak groves.

Experience an obstacle course weekend at Woodward Reservoir Regional Park near San Jose. Choose from distances ranging from a 5k Sprint to a 50k Ultra on a flat course designed for personal performance.

Experience a historic trail journey from Folsom to Auburn along the beautiful American River Parkway with race options coverging 10, 25, and 50 miles.

Trail races near Carson City NV with 22K, 11K and 5K options on single track and significant climbing. The 22K has two aid stations; the shorter distances have no stations and the field is capped at 200 runners.

The Sludge Trudge 5K is a paved run/walk at North Natomas Regional Park. It's a sanctioned event with professional timing and awards for top finishers. The event is hosted for a specific community group and their guests.

A women focused 10K in Auburn on April 11, 2026 featuring scenic trail loops, finisher shirts, age group awards and a raffle with four winners earning a trip to a women only running camp in Spain.

Explore the rolling hills of Cronan Ranch at the Magnolia Magic River Trail Run. This event offers a range of distances on dirt and rock trails, from a 5K to a 50K ultra. All participants receive a medal and access to aid stations along the..

Explore remote trails along Folsom Lake with the Outlands Endurance Races. Choose from 25K, 50K, or 50-mile distances on scenic singletrack. The event starts and finishes at Peninsula Campground in Pilot Hill.

A community trail event in Reno on April 18, 2026, offering a 5k Run/Walk and a 10k Run at Rancho San Rafael Park, organized by the Rotary Club of Reno Midtown with packet pickup the day before and on-site.

Experience a scenic 14.5 mile trail run along the Bullards Bar Reservoir in Camptonville. This fundraiser for the Wildland Firefighter Foundation features single track trails and support from the local fire community.

Join the community at Feeney Park for the Mr Frogs Wild Run in Murphys California. Choose between a children's fun run plus five or ten kilometer courses featuring scenic neighborhood loops and a festive medal ceremony.

About the event The Canyons Endurance Runs by UTMB is an event in the historic gold-rush town of Auburn, California. It takes place in the northern California foothills of the Sierra Nevada range. The event is described as taking you back t..

Trail races held inside Marshall Gold Discovery State Historic Park near Coloma offer distances from a kids run to a half marathon. Courses mix singletrack, switchbacks and paved sections, with marked routes, aid stations and on-course mars..

Experience a rugged trail race through the Sierra Nevada foothills featuring technical single tracks and fire roads. Choose between three distances and take on the steep ascent of El Guapo before celebrating at the finish line fiesta.

The Folsom Lake Trail Run returns to the Browns Ravine Marina for a day of running on scenic lakeside trails. Choose from four distances, from a 10K to a 50K, with well-stocked aid stations and post-race food. All finishers earn a custom me..