Other sports that have maintained a regular presence on U.S. television include auto racing (NASCAR, in particular, rose rapidly in television popularity in the 1990s; the IndyCar series has also had some presence, particularly its signature event, the Indianapolis 500), professional golf (promintently through the Professional Golfers Association of America [PGA], Ladies Professional Golf Association [LPGA], and the United States Golf Association [USGA]), thoroughbred racing (particularly, the Triple Crown and Breeders Cup) and ten-pin bowling.