Peter Snell — New Zealander Athlete born on December 17, 1938,

Sir Peter George Snell KNZM OBE is a New Zealand former middle-distance runner, now resident in Texas, United States. He had one of the shortest careers of world famous international sportsmen, yet achieved so much that he was voted New Zealand’s "Sports Champion of the Century" and was one of 24 inaugural members of the International Association of Athletics Federations Hall Of Fame named in 2012. A protégé of the New Zealand athletics coach Arthur Lydiard, Snell is known for the three Olympic and two Commonwealth Games gold medals he won, and the several world records he set... (wikipedia)

As a teenager I had no idea that I had the potential to win an Olympic gold medal and my athletic career developed only by lucky circumstances.
Running became boring because it's so predictable. I got to a point where I knew what my competition could do.