Rauschenberg, an extreme athlete, has made his mark on the running world as the man who ran 52 marathons in 52 consecutive weekends. He chronicles his first 100

Explains why running injuries are so common, examining running form, running shoe design, and training, and includes insights on such topics as the evolution of

Every sport has rules. Running is no exception. If you're curious, just visit the Web site of USA Track & Field, the sport's governing body, where you'll find d

Every year, roughly 2 million people participate in marathons and half marathons in the United States, and, no matter what level they are, every one of these ru