The Garmin Forerunner series is a selection of sport watches produced by Garmin. Most models use the Global Positioning System (GPS), and are targeted at road runners and triathletes. Forerunner series watches are designed to accurately measure distance, speed, heart rate (optional), time, altitude, and pace, all of which can be important to athletes in training.
Read more about Garmin Forerunner: Models, GPS Functionality, Computer Interface