Pro Arena Truck racing is a branch of off-road racing

Off-road racing

Off-road racing is a format of racing where various classes of specially modified vehicles compete in races through off-road environments.-North America:...

. Pro Arena Truck racing consists of modified trucks (and sometimes stock trucks for fun) going around a Motocross

Motocross

Motocross is a form of motorcycle sport or all-terrain vehicle racing held on enclosed off road circuits. It evolved from trials, and was called scrambles, and later motocross, combining the French moto with cross-country...

-style indoor arena

Arena

An arena is an enclosed area, often circular or oval-shaped, designed to showcase theater, musical performances, or sporting events. It is composed of a large open space surrounded on most or all sides by tiered seating for spectators. The key feature of an arena is that the event space is the...

 course filled with different jumps, bumps and turns. Similar events held in outdoors settings are sometimes called Tuff Truck competitions.

The trucks are usually run one at a time, with the quickest time winning. Some promotions or event managers run the trucks two at a time for added spectacle.

Pro Arena Trucks are usually seen at Monster Truck

Monster truck

A monster truck is a pickup truck, typically styled after pickup trucks' bodies, modified or purposely built with extremely large wheels and suspension...

 events, and are rarely run as an independent event. Some Arena Trucks are owned and operated by Monster Truck teams. Arena Trucks are usually pickup trucks that have been upgraded to resist the rigors of arena track off-roading. By contrast, a modern Monster Truck is a large-scale methanol-fueled tube frame, solid axle vehicle with fiberglass exteriors designed to resemble a pickup truck.