predecessor.It's still packed with all the features that made the 305 great: it monitors your time spent running, distance, pace, calories and heart rate, and your runs can be stored in the memory, so you can review and analyse the data and the routes you

and distance travelled. Simple to get going with basic monitoring. Comes with decent software that generates detailed reports of your stats. Lightweight, waterproof and durable design. Allows you to create a full training program using customised heart rate

of the additional review features and the promise that the GPS reception has been improved.The forerunner has all the features you would expect - speed, distance, pace, heart rate etc but also icludes a really useful training partner function. This is easy to set up