The Tom Tom Runner 2 cardio large heart rate monitor provides real-time running information & gives you accurate heart rate information on your wrist. This ultra-slim & lightweight multisport watch allows for training in gym, swim, bike & treadmill modes & has 5 heart rate training modes for faster results. The GPS tracking system lets you track time, pace, distance & calories burnt, while a race mode gives you an opportunity to select one of your past performances to race against. There is a goal setting feature to set & track your progress on daily & weekly goals & an interval training mode to improve speed & fitness with custom work-rest sessions.