How to master your breathing and five other hill-running secrets that will turbo-charge your running

Learn to love hills and you'll become a stronger runner ...
Hosted on MSN

Hill running could be the golden ticket to improve your overall fitness, strength, and endurance

Put simply, hill running is a very useful method of training to build strength, power, and top-end aerobic conditioning. It also hurts a lot and, for some reason, endurance athletes seem to find a bit ...