Rodale

HAL HIGDON is among the most respected and widely read writers in the world of running. A senior writer for Runner's World magazine, he also writes the "Ask the Expert" column on the magazine's Web site. He is the author of 31 books, including Run Fast and Master's Running, and a four-time gold medalist at the World Masters Championships. He currently splits his time between Long Beach, Indiana, and Ponte Vedra Beach, Florida.