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Polar S625X Speed/Distance Heart Rate Monitor

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The ultimate tool for runners or tri-athletes who want advanced features to guide their training and assess the effectiveness of each workout.

  • Train and rest in the right balance--Polar OwnOptimizer™ test tells you whether you have recovered enough for your next training session
  • Motivate your training sessions with accurate speed, distance, pace, altitude and heart-rate information
  • Download training performance to your PC using PC's existing infrared port or optional Polar IR interface for USB or RE 232 ports (sold separately)
  • Programmable interval trainer guides you through exercise phases with a beginning warm-up, target heart-rate zone and cool-down session
  • Three heart-rate target zone settings with out-of-zone alarms display your heart rate as bpm, percent of HRmax and average heart rate
  • Allows you to set five different training sessions with individual settings for duration and heart-rate limits
  • Polar OwnIndex™ fitness test predicts your maximal oxygen uptake (VO2max) and helps you optimize your training load and recovery time
  • Includes performance analysis software with sample exercise sets that upload to your wrist unit
  • OwnCal™ feature counts calories and fat burned based on your own effort level
  • Watch features: time of day with alarm, dual time zone, date and weekday indicator, stopwatch and low-battery indicator
  • Chest transmitter is designed for comfort and performance; OwnCode™ reduces possible interference from other heart rate monitors
  • Foot Pod transmitter relays pace information to the wrist unit
  • Records altitude and ascent; displays running route elevation profile
  • Large digits and backlight make display easy to read
  • Optional cycling functions—fully compatible with all Polar cycling speed, distance, cadence and power output sensors (sold separately)
  • Water resistant to 30 meters (100 feet)
  • All batteries included


Item 716896


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Polar S625X Speed/Distance Heart Rate Monitor Specs
Best use
(monitor) 2 x 1.75 x 0.5 inches
99 feet
Heart rate target zone(s)
Time in target zone
Average heart rate
Recovery heart rate mode
Exercise log
Countdown timer
Water-resistant depth

Polar S625X Speed/Distance Heart Rate Monitor

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