, Widener's 446-acre estate and horse farm in Whitemarsh Township, Pennsylvania Greatly influenced by his uncle
Joseph E. Widener, he became involved in thoroughbred horse racing. He purchased a portion of
Elmendorf Farm in
Lexington, Kentucky, which became known as Old Kenney Farm. He bred horses and raised 102 stakes winners including seven champions. He won the
Travers Stakes five times, tying him for the record of most wins. He was the owner of
Eight Thirty who was entered into the National Museum of Racing and Hall of Fame in 1994. His stakes winners included Evening Out, High Fleet,
Jaipur,
Jamestown,
Platter, Stefanita, and
What a Treat. In 1971, he was the first to be named an "Exemplar of Racing" by the National Museum of Racing and Hall of Fame. ==Philanthropy==