-Road Consider trading concrete for dirt this autumn. Running on trails reduces your risk of overuse injuries because the surface is more forgiving. “Autumn is a beautiful time of year to enjoy trails,” says Hadfield. Fartlek runs, which randomly alternate faster
200m, 2 x 100m, 4 x 50m, 8 x 25m.Keep to the same pace and stroke count throughoutCool down with 200m easy non-free stroke. (This is any stroke other than freestyle, to help you become familiar with another stroke and to avoid overusing certain muscles