of your pacing," says Bullock. The aim is to swim a little further with each attempt. Warm up with 400m freestyle, your own choice of drills, strokes, kicks and pulls, and an optional 200m alternating between lengths of back and breast stroke.Swim as far
such as 8 x 100m, with a short rest between each 100m, and build up to 10 x 100m. Also try four or five times 200m, two or three times 400m, and so on."Week twoNow is the time to build your stroke and improve your efficiency as you move through the water