With Hurricane Frances bearing down on the East Coast of Florida, Calder Race Course announced on Thursday morning that it will be closed for both live racing and simulcasting on Friday and Saturday. The track hopes to re-open on Sunday.The second legs of the prestigious Florida Stallion Stakes series, the $125,000 Affirmed and Susan's Girl Stakes, were scheduled for Saturday as part of a card featuring 13 races for 2-year-olds, including six stakes. The "Juvenile Showcase" has been re-scheduled for Monday instead.As a result, the traditional Labor Day feature, the Miami Mile Breeders' Cup Handicap (gr. IIIT) has been postponed until Sept. 11.Calder is located near the border between Miami-Dade and Broward counties, approximately eight miles from the coastline and adjacent to Pro Player Stadium, the home of Major League Baseball's Florida Marlins. The Marlins have cancelled their game Friday versus the Chicago Cubs but had not announced any action regarding Saturday's game.Gulfstream Park, which is in the process of massive re-development as it prepares for its meet next January, has significant exposure to hurricanes as it sits less than one mile from the ocean in Hallandale Beach.