Run by Heart Rate: Never Train More Than 9 Miles to Run a Marathon

This revolutionary 14 week training plan helps runners of all levels run faster and farther while training less.

All runners have the same objective: to be the best runner they can be, with a limited time to train. Run by Heart Rate's unique training philosophy makes running easy for each experience level, limits overtraining and burnout, and substantially cuts the risk of injury while producing faster race times. The key feature of the detailed training plans for 5k, 10k, half-marathon, an...