The T-Rex is best known as the star of the Jurassic Park film franchise, which continues to churn out new content and make ...

More than 300 people donned inflatable dinosaur costumes and took to the track at Emerald Downs in Washington for the annual ...

Spectators cheered as participants ran down the track cloaked in inflatable costumes during the T-Rex World Championship ...

Spectators cheered as participants ran down the track cloaked in inflatable Tyrannosaurus rex costumes during the T-Rex World ...

Over 300 dino-mate racers, clad in T. rex costumes, competed in the annual "T-Rex World Championship" races at Emerald Downs in Washington state.

Each inflatable T-Rex costume comes equipt with a fan to help inflate the suit around you. This adult-size costume fits just about anyone, with a recommended maximum height of 6-foot 4-inches.

The actual T. rex roamed the planet between 65 million and 67 million years ago. A study published two years ago in the journal Science estimated that about 2.5 billion of the dinosaurs ever lived.

The actual T. rex roamed the planet between 65 million and 67 million years ago. A study published two years ago in the journal Science estimated that about 2.5 billion of the dinosaurs ever lived.

The actual T. rex roamed the planet between 65 million and 67 million years ago. A study published two years ago in the journal Science estimated that about 2.5 billion of the dinosaurs ever lived.