Behaving Badly is a Thoroughbred racing mare foaled on April 5, 2001 in New York and a top sprinting distaffer. Sired by Pioneering, a Mr. Prospector son (going back to Secretariat), out of Timeleighness (by Sir Raleigh), she was bred by Thomas and Lakin, and owned by Patti and Hal J. Earnhardt III. Behaving Badly is a half-sister to stakes-winning filly Lavish Numbers. Her dam, Timeleighness, is a full sister to stakes winner Timelessleigh. Behaving Badly is now a broodmare at John Sikura's Hill 'n' Dale Farms near Lexington, Kentucky.