A quick look at the Garmin Forerunner 910XT. A Heart Rate Monitor with GPS for triathletes. We also compare it in size with the Garmin Forerunner 210 and the Garmin Forerunner 305.
The watch has features such as interval training and heart rate zones training. The watch is also equipped with Training Effect function which measures the intensity of training and Virtual Racer lets you race against yourself with statistics from previous runs. It supports power meters for bikes and has a barometric altimeter that is very accurate. While swimming it measure distance, pace and strokes.