![Koen Delvaux's blog: Heartrate monitors and GPS for running: the Runkeeper-Magellan Echo dream combination that would beat Polar, Garmin, Tomtom and Suunto Koen Delvaux's blog: Heartrate monitors and GPS for running: the Runkeeper-Magellan Echo dream combination that would beat Polar, Garmin, Tomtom and Suunto](http://1.bp.blogspot.com/-oniC-vfoSjM/UrMht-6AwwI/AAAAAAABf7k/jsyWpKLwqgg/s1600/s215.jpg)
Koen Delvaux's blog: Heartrate monitors and GPS for running: the Runkeeper-Magellan Echo dream combination that would beat Polar, Garmin, Tomtom and Suunto
![Heart rate monitor, chest strap and Salomon running shoes, in March 2016. The HRM transmits the heart rate via Bluetooth to the iPhone, where an app like Runkeeper logs the data Stock Heart rate monitor, chest strap and Salomon running shoes, in March 2016. The HRM transmits the heart rate via Bluetooth to the iPhone, where an app like Runkeeper logs the data Stock](https://c8.alamy.com/comp/FW8642/heart-rate-monitor-chest-strap-and-salomon-running-shoes-in-march-FW8642.jpg)
Heart rate monitor, chest strap and Salomon running shoes, in March 2016. The HRM transmits the heart rate via Bluetooth to the iPhone, where an app like Runkeeper logs the data Stock
![Runkeeper update allows Apple Watch Series 2 & Nike+ users to track iPhone-free runs via GPS | AppleInsider Runkeeper update allows Apple Watch Series 2 & Nike+ users to track iPhone-free runs via GPS | AppleInsider](https://photos5.appleinsider.com/gallery/19317-19551-HeartRate-m.jpg)