International Festival Of Motor Sport -- Ken Kavanagh, of Australia, winner of the British Championship Junior Motor-Cycle Race, Seen leading the field.Ken Kavanagh, of Australia, riding A Norton, won the British Championship Junior Motor-Cycle Race over 36 miles at Boreham, Essex, today. Les Graham, on an M.V.Agusta, was second, and Robin Sherry (A.U.S.) third. August 04, 1952. (Photo by Paul Popper Photo).