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For endurance athletes and runners who rely on systematic training, the Polar RS400 Running Series Heart Rate Monitor helps avoid over or under training by aiding you to train at the right intensity.  It measures detailed information about your performance.  The Polar Fitness test measures your aerobic fitness at rest and tells you your progress.  this heart rate monitor comes with Polar ProTrainer 5 software for analyzing, planning and keeping a training diary.

Body Measurement

  • Automatic age-based target zone – bpm / %
  • Average and maximum heart rate of each lap
  • Average, minimum and maximum heart rate of training
  • Heart rate – bpm / %
  • HR-based target zones with visual and audible alarm
  • HRmax (age-based)
  • HRmax (Polar Fitness test-based)
  • HRmax (user set)
  • Manual target zone – bpm / %
  • Polar Fitness Test
  • Polar OwnCal® – calorie expenditure
  • Polar OwnCode® (5kHz) – coded transmission
  • Polar OwnOptimizer – personal training status
  • Polar OwnZone® – personal heart rate zone
  • Polar sport zones provide an easy way to select and monitor the intensity of your training and to follow sport zones based training programs

Data Transfer

  • Compatible with PC via IrDA USB Adapter
  • Compatible with Polar ProTrainer 5 software via IrDA USB Adapter
  • Compatible with polarpersonaltrainer.com via IrDA USB Adapter

Polar Pro Trainer 5

  • Advanced training analyzing illustrates graphically the data from the sensors that you used while training
  • Reports
  • Training computer settings is customizable with the included WebSync software
  • Training diary allows you to easily follow up your training as well as plan your future training sessions


  • Advanced training analyzing
  • Training diary
  • Training Load
  • Training programs offers training programs for running, cycling, outdoor sports, and general fitness


Totals includes your training data starting from the last reset enabling you to follow your long-term training
Adjustable recording rate – 1s, 5s, 15s, 60s
Memory left indication
Training files (with summaries) – 99
Weekly history gathers your weekly training data


  • Interval trainer guided workouts – heart rate / pace / distance
  • Number of laps – 99
  • HeartTouch – button-free operation of wrist unit
  • Graphical target zone indicator
  • Automatic lap recording
  • Display zoom
  • Time and distance based interval timers
  • ZonePointer is a visible and moving symbol on the training computer display indicating whether you are inside the pre-set target zone
  • User configurable displays allows you to configure training computer displays to show the information that you need during your training session
  • ZoneLock helps you to accumulate certain intensity


  • Backlight
  • Date and weekday indicator
  • Display text in English, German, French, and Spanish
  • Dual time zone
  • Button Lock
  • Low battery indicator
  • Reminders allows you to set alarms for different tasks or training sessions
  • Time of day (12/24h) with alarm and snooze
  • User replaceable battery
  • Water resistant – 50m

S1 Footpod Compatible (NOT included)

  • Speed/Pace-based target zones with visual and audible alarm
  • Speed/Pace – current, average and maximum
  • Distance – training, lap, and total
  • Shoe selection – settings for two shoes
  • Running Index is based on heart rate and speed data measured during the run and gives daily information about your performance level, both aerobic fitness and running economy

Shipping Note: Eligible for shipping to all 50 states

Warranty: 2 Year Polar


In the box:

(1) Polar RS400 Running Series Heart Rate Monitor includes:

  • Polar RS400 Training Computer
  • Polar H1 Heart Rate Sensor
  • Polar ProTrainer 5 Software CD
  • RS400 Getting Started Guide

Sales Stats

Speed to First Woot:
2m 39.774s
First Sucker:
Last Wooter to Woot:

Purchaser Experience

  • 9% first woot
  • 3% second woot
  • 24% < 10 woots
  • 6% < 25 woots
  • 57% ≥ 25 woots

Purchaser Seniority

  • 9% joined today
  • 3% one week old
  • 0% one month old
  • 12% one year old
  • 76% > one year old

Quantity Breakdown

  • 70% bought 1
  • 9% bought 2
  • 21% bought 3

Percentage of Sales Per Hour

12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11

Woots by State

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Polar RS400 Running Series Heart Rate Monitor
$99.99 Sold Out Sporting Goods
$99.99 USD false 1 Retail EA
1 3
Woot! Sport.Woot
4121 International Pkwy Carollton TX 75007 U.S.A.