The Polar S625X  is a great selection for serious runners and triathletes. The S625X report your heart rate, altitude, speed and distance while running. It monitors your pace with the help of the S1 footpod that attaches to your running shoe. The Polar S1 Footpod, which is included with the Polar S625X, measures speed and distance using inertial sensor technology. After your workout, download all your data to your PC quickly and easily. See altitude, speed, and interval data along with your heart rate data. The Polar S625X includes the Polar PPP software, which allows you to download and analyze your workout data. The Polar S625X box includes the heart rate monitor, soft Wearlink chest strap, and S1 footpod. If you need to collect cycling information, add a cycling speed sensor (Sold separately). For cadence and power sensors there are devices also available for the S625X.

Polar exercise features    

     Wireless ECG accurate heart rate     

     Exercise Set (extended exercise profiles)  5   

     Target zone (% of max or bpm) with visual and audible alarm  3   

     HR max (Polar Fitness test-based)     

     Interval timers     

     Average heart rate of total exercise     

     Maximum heart rate of total exercise     

     Average heart rate of each lap     

     Maximum heart rate of each lap     

     Recovery measurement (HR / time)     

     Online recording with optional Polar IR Interface      

     Automatic lap recording     

     Exercise Date     

     Altitude and ascent

Running features    

     Speed and Distance     

     Speed displayed in pace, or kmph/mph     

Cycling features    

     Bike mount  opt.   

     Speed sensor  opt.   

     Cadence sensor  opt.   

     Power output sensor  opt.   

Mobile connectivity    

     Mobile software availability     

Computer connection features    

     Two-way infrared data communication     

     Optional IR Interface (USB port)     

Recording features

     Number of exercise files (with summary files)  99   

Basic features    

     Heart rate (displayed as bpm)     

     Heart rate (displayed as % of maximum heart rate)     

     Water resistant  30m   

     Backlight     

Watch features    

     Time of day (12/24h) with alarm     

     Dual time zone     

     Date and weekday indicator     

     Stopwatch     

     Automatic exercise reminder (visual)     

     Manually set reminders (visual/alarm)     

     Water resistant  30m   

     Backlight     

     Low battery indicator     

Transmitter belt    

     Polar Wearlink 31 coded transmitter