training and now know all the heart rates I need to train and race at," says Gardener. "For instance I know that if I run a marathon at 145bpm, I won't be slowing down at the end or that 156 will result in a decent 10K." Julie-Anne Ryan is another runner

and race at," says Gardener. "For instance I know that if I run a marathon at 145bpm, I won't be slowing down at the end or that 156 will result in a decent 10K." Julie-Anne Ryan is another runner who discovered that her running improved after she purchased

pull them on to clean the oven or wash the car, we're inspired to dig out the training diary that records our best ever marathon performance, or gives us clues as to why we dropped out of a 10K, and use the valuable racing lessons our old tops provide