Polar RS100 Heart Rate Monitor

The RS100 is a basic running and multisport heart rate monitor for anyone interested in measuring their heart rate to monitor and improve their fitness with running. Specifically it has support for laps, although you don’t actually need to be running round a track with official laps. You could setup 2 points that you know the distance between and record a ‘lap’ each time you reach one of the two points.

Polar RS100 Heart Rate Monitor Best Price

The following are the current prices for the Polar RS100, we update these prices daily to ensure you always get the best possible price.

Polar RS100 Heart Rate Monitor Features

The RS100 is an entry level running, swimming and multisport heart rate monitor, but there are far more basic general heart rate monitors, so you’ll get a good amount of features on the RS100. You can enter your age and have your ideal heart rate zone automatically calculated and setup for you ready to use in training. If you go outside of that heart rate zone you’ll be notified visually on your watch, and also with an audible alarm. You can also set your heart rate zone manually by entering your maximum heart rate yourself, which is useful if you have a higher maximum heart rate than is normal for your age.

The heart rate monitor has the Polar OwnCode coded transmission frequency so your heart rate monitor doesn’t interfere with any other fitness computers in the vicinity. The Polar OwnZone personal heart rate zone feature is also included in the RS100, and it will automatically determine your heart rate zone for you once you begin training. If you’re having a stressful day, or you’re tired then your maximum heart rate will be lower than on a day you’re feeling strong, so the optimum heart rate zone for each training session can be determined and automatically enabled with this feature.

One of the unique features in the RS series of heart rate monitors that you won’t find in the FT range, is that it’ll record your average and maximum heart rate for each lap so you that after your session you can look over your lap by lap results to see how your heart rate increased on each lap, and although you can’t save the results with the RS100, you can still write down the results on paper and compare each training session with the previous to see how you compare on a lap by lap basis. For instance after 2 months of training you might notice that your average heart rate on lap 10 is the same as it used to be on lap 3.

You heart rate monitor also functions nicely as a regular digital watch, as it has a backlight, date and weekday indicator, current time in 12h or 24h format, and an alarm clock with a snooze feature. It’s also water resistant to 50m, so you’re able to use it for swimming, and the laps feature on the RS100 is particularly good for swimming.

Using the Polar RS100

A very comfortable and good looking heart rate monitor, the RS100 looks and feels good in practice. Once you’re actually running you don’t feel the heart rate strap either. After my workout I’m able to easily view all the essential summary data on the watch.

Comparing the Polar RS100 to Similar Heart Rate Monitors

Upgrade Model: the RS300X The Polar RS300X has support for tracking your distance/speed with a GPS or footpod unit, a fitness test and a large amount of other features the RS100 lacks.

Downgrade Model: none. The RS100 isn’t a bottom of the line heart rate monitor, but in the running and multisport area it’s the entry level model.


A good watch if you’re a runner or swimmer. Particularly good because you can monitor your progress very effectively by seeing your average heart rate on each lap, thus being able to easily see your fitness increasing week by week. The RS100 is really good value for what you get, and Polar are a great company for heart rate monitors so you know you’re going to get years of use out of your RS100.