REI

If you run, you'll love this Polar® RS100 heart rate monitor: It combines the heart-rate features you need with a stopwatch for tracking times.
- Track your average heart rate and time of each lap so you can integrate heart rate easily into your fitness running program
- Provides valuable feedback that can help improve your fitness level or lose those last few pounds
- OwnZone® Advanced feature takes the guesswork out of finding your personalized target zone
- OwnCal™ feature counts calories and fat burned based on your own effort level
- OwnCode® is ideal for indoor training, coded transmission prevents cross-talk with other monitors, even in a class environment
- Watch features: time of day with alarm, dual time zone, date and weekday indicator, stopwatch and low-battery indicator
- Wireless chest transmitter is designed for comfort and dependable performance
- Backlight and oversized display make it easy to read even while running
- Wrist unit is water-resistant to 50 meters
- All batteries included
Eastern Mountain Sports (EMS)

If running is what you do to stay in shape, the RS100 heart rate monitor from Polar will give you valuable feedback to improve your fitness and lose those last few pounds-easily integrate your heart rate into your fitness program.
Features:
- 99 laps with average lap heart rate
- Alternating/repeating countdown timers
- Average and maximum heart rate
- Calorie expenditure (exercise/total/fat%Q exercise file with summary
- Date/clock/time with backlight display
- Exercise file info page with date and time
- Includes wrist unit, Polar transmitter, and elastic strap
- Optional bike mount (not included)
- Polar OwnCal tracks your calories and percent fat burned
- Polar OwnCode prevents crosstalk with other monitors
- Polar OwnZone automatically monitors your personal heart rate zones
- UpLink for data from Web to wrist unit
- Visual and audible target zone alarm
- Wireless heart rate (displayed bpm as % maximum)
- Zone limits and time in zones
Ramsey Outdoor

If running is what you do to stay in shape, the RS100 will give you valuable feedback that can help improve your fitness or lose those last few pounds. It combines all the heart rate features you need with the stopwatch you’re used to. Track your average heart rate and time for each lap, so you can integrate heart rate easily into your fitness running program.
Features:
- 99 laps
- Alternating / repeating countdown timers
- Available in Grey
- Edit wrist unit settings with Polar UpLink Tool and transfer them to your Polar product (UpLink)
- Maximum and average heart rate of each lap
- Maximum and average heart rate of total exercise
- Polar OwnCal®
- Polar OwnCode®
- Polar OwnZone®
- Target zones with visual and audible alarms
- Transfer logos from Polar web site to wrist unit (UpLink)
- Wireless ECG accurate heart rate
Jenson USA

The RS100 is a great training tool for running. It has all the heart rate features you want along with a stopwatch so you can track your average heart rate and time each lap.
Polar Exercise Features * Wireless ECG heart rate
* Polar OwnZone, OwnCal, and OwnCode
* Target zones with visible and audible alarm
* HR-max based on age
* Average and maximum heart rate of total exercise
* Average heart rate per lap
* Records up to 99 laps
* Alternating / repeating countdown timers
Backcountry.com

Athletes who train by running and those who are getting their first heart rate monitor watch will be well-served by the Polar RS100. The watch-based OwnZone program optimizes your fitness by determining your target heart rate and letting you know the level of intensity for each individual workout. You can track your average heart rate, lap times, and even how many calories you're burning as you go. If you'd like to get a little more out of each workout, than the RS100 is the answer.
Dick's Sporting Goods

The perfect accessory for fitness runners, the Polar(r) RS100 heart rate monitor offers valuable feedback that can help improve your workout program. The wireless monitor includes a stopwatch that allows you to track your average heart rate and time for each lap. The Polar OwnCal(r) feature counts and displays your calorie expenditure during one or over several exercise sessions. Updates can easily be downloaded through the Polar UpLink Tool.
Features:
- 99 laps
- Alarm: Yes
- Alarm: YesStopwatch: YesCountdown Timer: YesLocation of Transmitter: WristLocation of Receiver: WristTransmitter Water Resistant: YesReceiver Water Resistant: YesUnique FeaturesWirelessHRmax (age-based)Maximum heart rate of total exerciseAverage heart rate of total exerciseAverage heart rate of each lap99 lapsExercise dateOptional bike mount available (sold separately)Transfer logos from Polar website to wrist unit (UpLink)Edit wrist unit settings with Polar UpLink Tool and transfer them to your Polar productTarget zone limitsHeartTouch™ button-free operation of wrist unitEasy start (setting wizard)Over-sized displayUser configurable displaysKeyLockDual time zoneLow battery indicatorPolar WearLink™ 31 coded transmitter (changeable battery) compatible (sold separately)Polar T61coded™ transmitter compatible (sold separately)Country Of OriginUnited States
- Average heart rate of each lap
- Average heart rate of total exercise
- Clear and easy to read display.
- Countdown Timer: Yes
- Countdown Timer: YesLocation of Transmitter: WristLocation of Receiver: WristTransmitter Water Resistant: YesReceiver Water Resistant: YesUnique FeaturesWirelessHRmax (age-based)Maximum heart rate of total exerciseAverage heart rate of total exerciseAverage heart rate of each lap99 lapsExercise dateOptional bike mount available (sold separately)Transfer logos from Polar website to wrist unit (UpLink)Edit wrist unit settings with Polar UpLink Tool and transfer them to your Polar productTarget zone limitsHeartTouch™ button-free operation of wrist unitEasy start (setting wizard)Over-sized displayUser configurable displaysKeyLockDual time zoneLow battery indicatorPolar WearLink™ 31 coded transmitter (changeable battery) compatible (sold separately)Polar T61coded™ transmitter compatible (sold separately)Country Of OriginUnited States
- Country Of OriginUnited States
- Date Displayed: Yes
- Date Displayed: YesAlarm: YesStopwatch: YesCountdown Timer: YesLocation of Transmitter: WristLocation of Receiver: WristTransmitter Water Resistant: YesReceiver Water Resistant: YesUnique FeaturesWirelessHRmax (age-based)Maximum heart rate of total exerciseAverage heart rate of total exerciseAverage heart rate of each lap99 lapsExercise dateOptional bike mount available (sold separately)Transfer logos from Polar website to wrist unit (UpLink)Edit wrist unit settings with Polar UpLink Tool and transfer them to your Polar productTarget zone limitsHeartTouch™ button-free operation of wrist unitEasy start (setting wizard)Over-sized displayUser configurable displaysKeyLockDual time zoneLow battery indicatorPolar WearLink™ 31 coded transmitter (changeable battery) compatible (sold separately)Polar T61coded™ transmitter compatible (sold separately)Country Of OriginUnited States
- Dual time zone
- During your warm-up, Polar's technology analyzes your heart's beating to determine a safe and effective heart rate zone for you---your OwnZone. Using this info, the monitor provides two levels of intensity guidance for your workout, indicated by blinking and sounding alarms.
- Easy start (setting wizard)
- Edit wrist unit settings with Polar UpLink Tool and transfer them to your Polar product
- Elapsed Exercise Time: Yes
- Elapsed Exercise Time: YesTime of Day : YesDate Displayed: YesAlarm: YesStopwatch: YesCountdown Timer: YesLocation of Transmitter: WristLocation of Receiver: WristTransmitter Water Resistant: YesReceiver Water Resistant: YesUnique FeaturesWirelessHRmax (age-based)Maximum heart rate of total exerciseAverage heart rate of total exerciseAverage heart rate of each lap99 lapsExercise dateOptional bike mount available (sold separately)Transfer logos from Polar website to wrist unit (UpLink)Edit wrist unit settings with Polar UpLink Tool and transfer them to your Polar productTarget zone limitsHeartTouch™ button-free operation of wrist unitEasy start (setting wizard)Over-sized displayUser configurable displaysKeyLockDual time zoneLow battery indicatorPolar WearLink™ 31 coded transmitter (changeable battery) compatible (sold separately)Polar T61coded™ transmitter compatible (sold separately)Country Of OriginUnited States
- Exercise date
- HRmax (age-based)
- HeartTouch™ button-free operation of wrist unit
- Indicates when you are above, below, or within your heart rate target range.
- KeyLock
- Location of Receiver: Wrist
- Location of Receiver: WristTransmitter Water Resistant: YesReceiver Water Resistant: YesUnique FeaturesWirelessHRmax (age-based)Maximum heart rate of total exerciseAverage heart rate of total exerciseAverage heart rate of each lap99 lapsExercise dateOptional bike mount available (sold separately)Transfer logos from Polar website to wrist unit (UpLink)Edit wrist unit settings with Polar UpLink Tool and transfer them to your Polar productTarget zone limitsHeartTouch™ button-free operation of wrist unitEasy start (setting wizard)Over-sized displayUser configurable displaysKeyLockDual time zoneLow battery indicatorPolar WearLink™ 31 coded transmitter (changeable battery) compatible (sold separately)Polar T61coded™ transmitter compatible (sold separately)Country Of OriginUnited States
- Location of Transmitter: Wrist
- Location of Transmitter: WristLocation of Receiver: WristTransmitter Water Resistant: YesReceiver Water Resistant: YesUnique FeaturesWirelessHRmax (age-based)Maximum heart rate of total exerciseAverage heart rate of total exerciseAverage heart rate of each lap99 lapsExercise dateOptional bike mount available (sold separately)Transfer logos from Polar website to wrist unit (UpLink)Edit wrist unit settings with Polar UpLink Tool and transfer them to your Polar productTarget zone limitsHeartTouch™ button-free operation of wrist unitEasy start (setting wizard)Over-sized displayUser configurable displaysKeyLockDual time zoneLow battery indicatorPolar WearLink™ 31 coded transmitter (changeable battery) compatible (sold separately)Polar T61coded™ transmitter compatible (sold separately)Country Of OriginUnited States
- Low battery indicator
- Maximum heart rate of total exercise
- Measures the number of calories you use during your workout.
- Model Number: RS100
- Number of Programmable Heart Rate Zones: 1
- Number of Programmable Heart Rate Zones: 1Records Time in Target Zone: YesElapsed Exercise Time: YesTime of Day : YesDate Displayed: YesAlarm: YesStopwatch: YesCountdown Timer: YesLocation of Transmitter: WristLocation of Receiver: WristTransmitter Water Resistant: YesReceiver Water Resistant: YesUnique FeaturesWirelessHRmax (age-based)Maximum heart rate of total exerciseAverage heart rate of total exerciseAverage heart rate of each lap99 lapsExercise dateOptional bike mount available (sold separately)Transfer logos from Polar website to wrist unit (UpLink)Edit wrist unit settings with Polar UpLink Tool and transfer them to your Polar productTarget zone limitsHeartTouch™ button-free operation of wrist unitEasy start (setting wizard)Over-sized displayUser configurable displaysKeyLockDual time zoneLow battery indicatorPolar WearLink™ 31 coded transmitter (changeable battery) compatible (sold separately)Polar T61coded™ transmitter compatible (sold separately)Country Of OriginUnited States
- Optional bike mount available (sold separately)
- Over-sized display
- Polar T61coded™ transmitter compatible (sold separately)
- Polar WearLink™ 31 coded transmitter (changeable battery) compatible (sold separately)
- Prevents crosstalk with other monitor users.
- Provides precision heart-rate data.
- Receiver Water Resistant: Yes
- Receiver Water Resistant: YesUnique FeaturesWirelessHRmax (age-based)Maximum heart rate of total exerciseAverage heart rate of total exerciseAverage heart rate of each lap99 lapsExercise dateOptional bike mount available (sold separately)Transfer logos from Polar website to wrist unit (UpLink)Edit wrist unit settings with Polar UpLink Tool and transfer them to your Polar productTarget zone limitsHeartTouch™ button-free operation of wrist unitEasy start (setting wizard)Over-sized displayUser configurable displaysKeyLockDual time zoneLow battery indicatorPolar WearLink™ 31 coded transmitter (changeable battery) compatible (sold separately)Polar T61coded™ transmitter compatible (sold separately)Country Of OriginUnited States
- Records Time in Target Zone: Yes
- Records Time in Target Zone: YesElapsed Exercise Time: YesTime of Day : YesDate Displayed: YesAlarm: YesStopwatch: YesCountdown Timer: YesLocation of Transmitter: WristLocation of Receiver: WristTransmitter Water Resistant: YesReceiver Water Resistant: YesUnique FeaturesWirelessHRmax (age-based)Maximum heart rate of total exerciseAverage heart rate of total exerciseAverage heart rate of each lap99 lapsExercise dateOptional bike mount available (sold separately)Transfer logos from Polar website to wrist unit (UpLink)Edit wrist unit settings with Polar UpLink Tool and transfer them to your Polar productTarget zone limitsHeartTouch™ button-free operation of wrist unitEasy start (setting wizard)Over-sized displayUser configurable displaysKeyLockDual time zoneLow battery indicatorPolar WearLink™ 31 coded transmitter (changeable battery) compatible (sold separately)Polar T61coded™ transmitter compatible (sold separately)Country Of OriginUnited States
- Records average and/or maximum heart rate for workout.
- Shows each user his/her exercise file of time exercised, time in zone, average heart rate, calories burned, total calories burned, and total exercise time.
- Stopwatch: Yes
- Stopwatch: YesCountdown Timer: YesLocation of Transmitter: WristLocation of Receiver: WristTransmitter Water Resistant: YesReceiver Water Resistant: YesUnique FeaturesWirelessHRmax (age-based)Maximum heart rate of total exerciseAverage heart rate of total exerciseAverage heart rate of each lap99 lapsExercise dateOptional bike mount available (sold separately)Transfer logos from Polar website to wrist unit (UpLink)Edit wrist unit settings with Polar UpLink Tool and transfer them to your Polar productTarget zone limitsHeartTouch™ button-free operation of wrist unitEasy start (setting wizard)Over-sized displayUser configurable displaysKeyLockDual time zoneLow battery indicatorPolar WearLink™ 31 coded transmitter (changeable battery) compatible (sold separately)Polar T61coded™ transmitter compatible (sold separately)Country Of OriginUnited States
- Target zone limits
- Time of Day : Yes
- Time of Day : YesDate Displayed: YesAlarm: YesStopwatch: YesCountdown Timer: YesLocation of Transmitter: WristLocation of Receiver: WristTransmitter Water Resistant: YesReceiver Water Resistant: YesUnique FeaturesWirelessHRmax (age-based)Maximum heart rate of total exerciseAverage heart rate of total exerciseAverage heart rate of each lap99 lapsExercise dateOptional bike mount available (sold separately)Transfer logos from Polar website to wrist unit (UpLink)Edit wrist unit settings with Polar UpLink Tool and transfer them to your Polar productTarget zone limitsHeartTouch™ button-free operation of wrist unitEasy start (setting wizard)Over-sized displayUser configurable displaysKeyLockDual time zoneLow battery indicatorPolar WearLink™ 31 coded transmitter (changeable battery) compatible (sold separately)Polar T61coded™ transmitter compatible (sold separately)Country Of OriginUnited States
- Transfer logos from Polar website to wrist unit (UpLink)
- Transmitter Water Resistant: Yes
- Transmitter Water Resistant: YesReceiver Water Resistant: YesUnique FeaturesWirelessHRmax (age-based)Maximum heart rate of total exerciseAverage heart rate of total exerciseAverage heart rate of each lap99 lapsExercise dateOptional bike mount available (sold separately)Transfer logos from Polar website to wrist unit (UpLink)Edit wrist unit settings with Polar UpLink Tool and transfer them to your Polar productTarget zone limitsHeartTouch™ button-free operation of wrist unitEasy start (setting wizard)Over-sized displayUser configurable displaysKeyLockDual time zoneLow battery indicatorPolar WearLink™ 31 coded transmitter (changeable battery) compatible (sold separately)Polar T61coded™ transmitter compatible (sold separately)Country Of OriginUnited States
- Triple LCD displays heart rate, lap time, elapsed time or time of the day.
- Unique Features
- Unique FeaturesWirelessHRmax (age-based)Maximum heart rate of total exerciseAverage heart rate of total exerciseAverage heart rate of each lap99 lapsExercise dateOptional bike mount available (sold separately)Transfer logos from Polar website to wrist unit (UpLink)Edit wrist unit settings with Polar UpLink Tool and transfer them to your Polar productTarget zone limitsHeartTouch™ button-free operation of wrist unitEasy start (setting wizard)Over-sized displayUser configurable displaysKeyLockDual time zoneLow battery indicatorPolar WearLink™ 31 coded transmitter (changeable battery) compatible (sold separately)Polar T61coded™ transmitter compatible (sold separately)Country Of OriginUnited States
- United States
- User configurable displays
- Wireless
This description was also provided by: Modells, FogDog Sports, Sports Authority
Holabird Sports

If you're a runner, this is your coach. If triathlon is your sport, this is your training partner. Meet the Polar RS100.
It's simple to use, with everything you need. Heart Rate and stopwatch functions to guide you through your workouts and coach you on race day. It even tracks the calories you expend during activity.