hard with 200m of jogging. This sounds like something an Olympic champion might do, but you can easily adapt it to your own needs and pace.4. Cross-training(12 per cent; 36 minutes)Even a mere half-hour of cross-training cycling, swimming, stair
. Remember the old maxim: Dont increase mileage by more than 5-10 per cent a week.Stress Producer: Trying to be Super Mum (or Dad)Janis Klecker is a former Olympic marathon runner, a dentist and a mother of five young children. How could Klecker, mostly