TomTom Runner GPS Watch+Heart Rate Monitor. TomTom is a company that empowers movement. Whether it's a GPS for your car or your wrist, TomTom will accurately log where and how far you've traveled. The TomTom GPS + Heart Rate Monitor Watch takes your fitness to a higher level while keeping track of data and heart rate.

How To Use A Heart Rate Monitor. Suggested workout: Jog for 10 minutes, then run three repeats of 1.5 miles at tempo pace (about 90 percent of MHR). Rest 3 minutes between each repeat. Note the time you run each repeat in your log. "You'll see your times decrease as your season progresses," McGee says.

Scosche Rhythm+ Heart Rate Monitor Armband - Optical Heart Rate Armband Monitor with Dual Band Radio ANT+ and Bluetooth Smart 3.8 out of 5 stars 813 $79.95 $ 79 . 95

Combining best-in-class GPS with advanced running metrics, but now with the freedom of optical heart rate technology, the Polar M430 stands as our... View full details $229.95

These are the best heart rate monitors for running, including chest-straps, watches and headphones. The best BPM-tracking straps, watches and headphone for staying in the zone. Search.