COMPETE [I, T] › to compete in a race: I'll race you to the end of the road. I used to race against him at school. race along/down/over, etc › to move somewhere very quickly: I raced over to see what was the matter.
race sb to/back, etc › to take someone somewhere very quickly: Ambulances raced the injured to a nearby hospital.
HORSE/DOG [T] › to put a horse, dog, etc in a race