About the Author

Scott Douglas is senior content editor for Runner's World and the author or co-author of seven books on running. He has run more than 100,000 miles since taking up the sport in 1979. Scott lives in South Portland, Maine.

Amby Burfoot, a lifelong runner and running advocate, has been executive editor of Runner’s World magazine since 1985. In 1968, he won the Boston Marathon, the first American to do so in eleven years. He is the author of The Principles of Running and Runner’s World Complete Book of Running. He lives in Emmaus, Pennsylvania.