with blisters is leave them be. If they’ve broken open during the race, your main concern should be preventing infection. Twice a day, soak your feet for up to 20 minutes in water containing iodine solution. Gently dry your feet, and cover the blistered area
is expressed as time rather than distance – this is to accommodate slower runners who may not be able to run 20 miles in under 2 hrs 30 mins. Time on feet has been shown to be the best way of judging the level of training that prevents runners from overtraining
