Mountain Bike

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Essential Info

Saturday, Aug 7, 2027

Next Price Increase: Aug 8, 2026

1/17/2027

2/21/2027

4/25/2027

8/2/2027

Distances:
- 50K Dirty Burro

Mountain Bike Events

Our 50K XC mountain bike race continues the rich history of mountain bike racing in Big Bear. The 2026 course details are below, note this is not the 2027 course. Plan on a fun, challenging ride through stunning mountain landscapes with flowy single and double-track trails. $5000 Prize Purse!! Plus – don’t worry about riding all the way back to the Start line after your race. Cross the finish line, head over to the lower lot parking area near Moonridge Coffee, and hop on our shuttle straight to the venue.

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.

Dirty Burro 50K MTB

Download/View the Dirty Burro 50K on Ride with GPS

Junior Mountain bike racers riding singletrack trail at Tour de Big Bear

Tour de Big BEar Gravel cyclists in Dirty Burro Gravel Ride

WHAT'S INCLUDED

Adaptive mountain bike paracyclist in Big Bear California

SCENIC ALPINE ESCAPE

With cool summer temps at 7000+ ft elevation, towering pine forests, and unreal alpine views, it's no surprise Big Bear Lake is one of California's most stunning and iconic cycling destinations. Join the ride in 2026 and see what all the hype is about.

legendary aid station at Tour de Big Bear event volunteer serving gourmet food and hydration

AID STATIONS & SUPPORT

From aid stations with DJ booths and ribs to on-course mechanics and SAG support, everything’s in place to keep you going strong from start to finish.

Mountain bike racer at Tour de Big Bear jumping over trail feature on Big Bear trail

CHIP TIMING & AWARDS

See how you performed in detail with chip tracking and full breakdowns. Lead the pack and win cash and special awards for earning that podium spot.

Happy couple dancing and having fun at the Big Bear Cycling Expo at Tour de Big Bear

RACE TEE + FINISHER MEDAL

Rep Big Bear and celebrate your achievement with our 2027 technical performance tee and finisher medal.

Tour de Big Bear Bike wash for cyclists after races and events

BIKE WASH + BIKE VALET

The perfect cool down after tackling Big Bear's off-road terrain, our bike wash and valet service helps keep your most prized possession clean and protected after the race.

big bear cycling festival and cycling expo

BIG BEAR CYCLING EXPO

The ultimate post-race party at Bear Mountain Resort! Our free cycling expo offers a good time for everyone with 50+ vendors, live music, food trucks, drinks, the Bikes and Brews Fest, a free Kids Zone, and more.

MOUNTAIN BIKE

FAQ

When do the mountain bike races start?

8:30 am on Saturday, August 7,2027 (adaptive MTB category at 9:30 am).

When will the 2027 routes be posted?

We are currently in the process with the National Forest. Expect the final course maps to be released in mid-July.

Are the courses supported?

Aid stations, timing, SAG, and on-course support similar to the other disciplines. Course closes at 5:00 pm.

Are e-bikes allowed?

Unfortunately, Big Bear trails are for acoustic bikes only. Forest Service rules prohibit motorized vehicles on singletrack and certain trails used in the gravel routes.

Are there timing and awards?

Yes—timing chips are used. Plus, riders can participate in KOM/QOM challenges on course (fastest male/female awards).

What’s the terrain like?

Challenging yet enjoyable Big Bear singletrack and doubletrack—technical sections, flowy trails, and stunning mountain scenery at high elevation.

What is the weather typically like?

Um, absolutely perfect (knock on wood…). Early August averages highs around 80°F (27°C) and lows around 49°F (9°C). It can be dry in the summer – hydrate heavily, use sunscreen, and bring layers (it can be chilly at night).

Want even more riding this summer?

Join the California Pass Challenge and take on three of Southern California’s most iconic cycling events: Tour de Big Bear, Mammoth Gran Fondo, and Phil’s Cookie Fondo. Earn exclusive medals, gear, and bragging rights as a CalPass rider.