Garmin Forerunner 305 GPS Receiver

Form meets function with Garmin's next-generation, sleek and stylish line of personal trainers - the Forerunner 305. Don't let its good look fool you. This taskmaster will continually push you to do your personal best. The Forerunner 305 combines all of the popular features found in the 301 along with a high-sensitivity GPS receiver, new courses feature, and robust wireless heart rate monitor for optimal performance.

Designed for athletes of all levels, this running partner and personal trainer has one goal in mind - a better you. It continuously monitors your heart rate, speed, distance, pace and calories burned so you can train smarter, more effectively. It tracks your every move with a super-sensitive GPS that even works on tree-covered trails and near tall buildings. source