Delaware Park, facing extreme heat warnings later, has canceled live racing for Thursday and Friday and adjusted its post times for the remainder of the cards on the holiday week.First post time for Wednesday's nine-race card is 11 a.m. The final race is scheduled to go off at 3 p.m. Following dark days Thursday and Friday, the track's Saturday card has been shortened to six races. First post time will be 10 a.m. and the final race is scheduled to go off at 1:30 p.m.The three exhibition Exotic Animal Races scheduled for Saturday will remain as planned and will be run at 12 p.m., 1 p.m. and 2 p.m.The post Delaware Park Adjusts Schedule Ahead Extreme Heat appeared first on TDN | Thoroughbred Daily News | Horse Racing News, Results and Video | Thoroughbred Breeding and Auctions.