As runners, we all want to increase our endurance, but we’re often referring to different things. While the beginner often wants to go further – from two miles to four miles, then to six, more experienced runners don’t see much point in running
is not recommended for beginners because it puts too much stress on muscles and connective tissues that may not be ready to handle the load. It may also put extra stress on the knees and Achilles tendons. Hill training made its first big impact in the early 1960s