, infections, fatigue and even injury - not to mention leaving you less than raring to go for your next session. Click through our slideshow to find out what works and why.
to guide them – before taking to the track to go all out in a 5K time trial.Then, back at PRO Team HQ, the experts helped our exhausted runners to address niggling injuries and plan out the last few weeks before race day – everything from how to carb load
? Better to err on the side of caution to avoid injury if you're unsure. Use our race-time predictor for an indication of what target you should set yourself. Bruce Tulloh's failsafe guide to getting ready to start a marathon schedule will also help you