"Essential reading for every runner." -- Men's Fitness "Compelling...As becomes clear not long after its starting gun, this book transcends the search for a two-hour marathon." -- The Washington Post Two hours to cover twenty-six miles and 385 yards. It is running's Everest, a feat once seen as impossible for the human body. But now we can glimpse the mountaintop. The sub-two hour marathon will require an exceptional combination of speed, mental strength,...