on their bodies tend to benefit from the higher end of that range," says Horne. Note how many hours you get each night. Review it and look for patterns. Once you figure out your target number, try to hit it each night, particularly during the week leading up to a

head out for a run, ask yourself why. If you're struggling for an answer then it's time to review your training and preparations and look at your reasons for running. Understanding why you are doing a particular run at a certain time in your training

on their bodies tend to benefit from the higher end of that range," says Horne. Note how many hours you get each night. Review it and look for patterns. Once you figure out your target number, try to hit it each night, particularly during the week leading up to a

the importance of nutrition and hydration to get the most from your sessions, and most importantly, to aid recovery after sessions – you'll enjoy your running more and your times will come on leaps and bounds. You could even suggest a peer-review of food diaries