John "the Penguin" Bingham writes a monthly column for
Runner's World magazine and teaches the basics of running to adult-onset athletes at his popular Penguin Flight Schools. He is also the author of
The Courage to Start: A Guide to Running for Your Life and
No Need for Speed: A Beginner's Guide to the Joy of Running.
Jenny Hadfield, M.A., C.P.T., is a fitness expert who has trained thousands of walkers, run-walkers, and runners of all levels. Her gentle yet uncompromising approach to training combined with her unique insights into the human body and mind will help you discover your inner long-distance athlete. She has qualified for the Boston Marathon and competed in three Eco-Challenges.