The Forerunner 201 is a personal training tool designed for professional athletes as well as for race lovers and walkers. It is an easy to use bracelet with in-built GPS on screen display. It's slim, lightweight and waterproof features make the Forerunner 201 the ideal training assistant. GPS technology is used to: plan your route , calculate your speed and distance allowing you to focus on your race. Using an easy graphical navigation it helps you save precise points. It stores your route and enables you to return via the same route or to employ the same route some other time.