with 10 minutes of very easy running and walking. Stretch gently for a few minutes and mix in four or five 100m strides (at 90 per cent of maximum speed) to get you ready for the upcoming effort. To keep your heart rate up, move around or jog on the spot
to let your heart rate return to normal and for your body to clear out any metabolic waste created during your efforts," says Kastor.7. Don't worry if you ache a littleIf you ease into running, your post-run discomfort shouldn't be debilitating