Polar RCX3 with GPS.

Ideal for fitness enthusiasts -- particularly runners and bicyclists -- who like to track their goals and progress, Polar training computers with Smart Coaching will guide you to train efficiently, and motivate you to reach your fitness goals. Smart Coaching gives you the choice of easy-to-use heart rate-based features that are personalized to your training needs, and you can track your route, speed, and distance with the included G5 GPS sensor.