Developing speed and power in swimming is essential for all swimmers but it is often neglected by open water and triathlon swimmers. Working on your speed and power is the best way to improve your technique. Plus it will improve your swimming efficiency, giving you a faster top speed as well as improving your swimming efficiency at every level of intensity. When you get into the main phase or race phase of your season, you don't often have the time or energy to work on all aspects of your ...