"Critical Swim Speed" (CSS) is the maximum speed you can swim for 1500m and we express it as a time per 100m. A good goal might be to improve your CSS speed by 3 or 4 seconds per 100m - if you do that with consistent CSS training sets you'll see some big improvements in your performances over any race distance.
But what about taking 46 seconds per 100m o…
46 Seconds Per 100m Faster In 10 Weeks!
