Four Months to a Four-Hour Marathon includes:

• Day-by-day training schedules for 4-hour and 5-hour marathoners • Detailed diet plans • The marathoner's mind-set • Right and wrong things to wear • How to pick the right sneakers • Pain vs. performancehow far to go • Common pitfalls to avoidin training and during the race • A list of the 36 marathons in North America where you can run the fastest times

Dave Kuehls is a contributing editor for Runner's World, the world's largest running magazine. He has also written for Sports Illustrated, Men's Health, GQ, and ESPN magazine. His fastest marathon is 2:57.