Whats the fastest a human can run the 100-meter sprint? Whats the longest a human can hold his breath? What are the limits of human performance? Until 1954, common wisdom and scientific knowledge considered a sub-four-minute mile an impossible feat for a human. But then Roger Bannister broke that mark, followed quickly by a host of other athletes. Today the world record Whats the fastest a human can run the 100-meter sprint? Whats the longest a human can hold his breath? What are the limits of human performance? Until 1954, common wisdom and scientific knowledge considered a sub-four-minute mile an impossible feat for a human. But then Roger Bannister broke that mark, followed quickly by a host of other athletes. Today the world record stands at 3 minutes, 43 seconds, yet even that number doesnt tell the full story of how fast humans can run a mile--records are a mark of how well people have done, not how well they can do. In this fascinating and thought-provoking book, John Brenkus ventures across the sports world to provide an in-depth look at the absolute limits of human performance. For years, coaches, pundits, and experts have speculated about the extremes of human ability. The Perfection Point finally provides the answers.