The RS200sd was made for competitive, goal oriented runners who want to enhance their running experience. With the S1 foot pod the RS200sd provides accurate speed and distance data like the S625X so you can combine pace with heart rate data.
Use the Event Countdown Timer to manage your training leading up to your next running event. You can even upload your settings to your running computer and then download your workout files to the Polar Running Coach Web Service for analysis. WearLink fabric transmitter included.