it requires you to push yourself harder for short periods of your run, which can be a painful experience. In time you then extend those faster periods by cutting back on the recovery time between each burst, or by running even faster during those bursts
Standfirst: Four experts tell you everything you need to know about running a 10KAuthor: Bruce Tulloh, Owen Anderson, Charlie Spedding, Harry WilsonPics:Issue date: racing secrets bookletKeywords:uan85-->In the RUNNERS WORLD editorial offices a
