Mountain Biking Events: Mountain Bike Event

Bedrock Valley Gravel Ride

The Bedrock Valley Gravel Ride is a Gravel Ride experience you don’t want to miss. Choose your ride experience around Diamond Valley Lake. This is truly a historic ride in an ancient place. This area’s heritage begins during the Ice Age where the most concentrated number of Mastodons once roamed the earth. The remains of hundreds of Mastodons and other prehistoric dinosaurs were discovered in the bedrock of where the lake now rests.

Distance – Fastest Time

Tour de Big Bear 2026 – July 31 – August 2, 2026

Tour de Big Bear 2026 – Southern California’s premier cycling festival, set against the stunning backdrop of the San Bernardino Mountains in Big Bear Lake. From July 31st to August 2nd, 2026, this action-packed event transforms Big Bear Lake into a cycling hub with over nine events spanning road, gravel, and XC mountain biking  — plus family-friendly activities, Glow Ride, Family Fun Ride and the Big Bear Cycling Expo at Bear Mountain Resort.

Dirty Bear Gravel 25 and 50 Miles

Big Bear Lake is known for its epic gravel riding. High-alpine scenic fire roads, world-class single track, and breathtaking views of the lake will not disappoint. Plus, cash prizes available for the Dirty Bear KOM/QOM Challenge!

The Dirty Bear is 50 miles of mixed surface fun on the roads and trails of Big Bear Lake.  The Dirty Cub is a shorter version of the Dirty Bear course with 25 miles of flowy fun! 

Dirty Burro MTB 50K

The 50k XC mountain bike race continues the rich history of mountain bike racing in Big Bear! NEW for 2026 is a $5,000 Prize Purse! The 2026 course details will be announced in the coming months, but plan on it taking you through stunning mountain landscapes on a challenging yet enjoyable route with flowy single and double track trails.

Special 2026 note: Junior riders (18 and under) race for FREE in the Dirty Burro MTB events! Get the next generation on the trails—no entry fee required. Just register and show up ready to ride.

Friday July 31, 2026: FRIDAY NIGHT GLOW RIDE:

Light up the night in Big Bear!  The Friday Night Glow Ride is a fun way to kick off the Tour de Big Bear weekend with your family. It’s FREE and open to the public. Bust out those costumes and lights and parade around the town! Awards for best decorated bikes!

Saturday,  August 1, 2026: SATURDAY FAMILY FUN RIDE:

Join the Saturday Family Fun Ride for an enjoyable adventure with the kids! This free, leisurely loop through the streets of Big Bear lets children experience the excitement of the Tour de Big Bear. It’s crafted for all ages and skill levels, offering a beginner-friendly, non-competitive ride. Families and casual cyclists can soak up the event’s atmosphere without the demands of longer road or gravel courses, making it a perfect choice for a day of easy-going cycling.