Gear – Using Garmin Forerunner 305 for an Ironman

The Garmin Forerunner is a fantastic piece of equipment for a gadget-geek triathlete.  This watch with a built in GPS and a heart-rate monitor, lets you monitor your performance, especially your pace. With a battery life of about 11 hours, the problem is that it does not last long enough for an Ironman race if you  are duffer like me. However, there is a way around this problem …