A form of horse racing in which the horses race in a specified gait, usually pulling two-wheeled carts called sulkies.

auto racing

(motor racing) Any of various sports in which automobiles (motor cars) are raced, either around a track, on roads or across country

Racing in motor vehicles, such as cars, motorboats, or motorbikes.

(UK, automotive, motor racing) A racecar.

Straight lane racing on an official racetrack, typically a dragstrip. / (colloquial) Any illegal street racing.

present participle of drag race

A racehorse considered certain to win / (by extension) Anything considered certain to happen; a sure thing

Alternative form of British racing green

(automotive) A jack with a pumping action that lifts a car very quickly