racing(n = noun.act) - the sport of engaging in contests of speed;
is a kind of athletics, sport
has particulars: auto racing, car racing, boat racing, camel racing, greyhound racing, horse racing
Derived form verb race2
auto racing, boat racing, camel racing, car racing, dog racing, greyhound racing, harness racing, horse racing, hydroplane racing, racing boat, racing car, racing circuit, racing gig, racing shell, racing skate, racing skiff, racing start, racing yacht, thoroughbred racing