Get results in a heartbeat with the Forerunner 301. This versatile personal trainer adds a digital, coded heart rate monitor to the list of Forerunner features and supports multiple sport profiles for running, biking and other sports — perfect for any athlete who wants to see tangible results. Forerunner 301 has three separate sport modes for running, biking and another activity. Just press and hold the mode button to switch between sports and record your run, ride, hike or other workout. You can also use Forerunner 301 to train for your next duathlon or triathlon with the multi-sport setting. This feature lets you seamlessly transition between sports without resetting the unit, so you can include running, biking and another sport, all in the same workout.