He attended St. Patrick's High School, Iten where he was trained by Brother Colm O'Connell, an Irish Patrician missionary and headmaster of the school at that time.
At the 1988 Olympic Games, Rono managed to closely defeat the main favourites, Peter Elliott and Steve Cram of Great Britain, thus becoming the youngest Olympic Champion at 1500 m (21 years and 62 days).
Peter Rono currently lives in New Jersey, USA where he is employed by the sales and marketing department of the shoe manufacturer New Balance. He is married to Mary Kirui, a runner who won 10,000 metres bronze medal at the 1987 All-Africa Games held in Nairobi, Kenya. They have five children, Irene Rono, Winnie Rono, Patrick Rono, Cynthia Rono and Nosheena Kurui. Their son Patrick Rono attended the University of Arkansas. Their daughter Irene is also a runner.[1]