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Product Features
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Product Description
Amazon.com Product Description
A smart, intuitive training computer for runners and cross-training athletes, the Polar RS300X G1 wrist heart rate monitor helps you to train at the right intensity with personal training zones. This version of the RS300X comes with Polar's G1 GPS sensor, which provides speed/pace and distance measurement for outdoor sports such as running or cycling. It's a great choice for those who mix up their training regimen with cycling, inline skating, paddling, mountain biking or hiking.
Additionally, the RS300X G1 is compatible with the separately available S1 foot pod, which accurately measures your running speed/pace and distance. Committed runners will find the most value in the real-time pace and distance measurement of the S1 foot pod. And even though it attaches to your shoe laces, it's so light that you'll forget it's even there, which means it won't affect your running performance. This package comes with the Polar WearLink+ 31 coded transmitter (with changeable battery).
The RS300X G1 enables athletes to train at the right intensity and improve their performance through core metrics such as heart rate, speed, distance, pace, and calorie burn. Advanced features include Polar's exclusive OwnZone feature for individualized zone training by heart rate or pace, a fitness test, and auto lap splits, which display average heart rate, pace and distance per lap. Athletes can easily review up to 16 past workout files to check their progress and ensure they're staying on track with their fitness or training plan.
 The RS300X helps you to train at the right intensity with personal training zones. |
 This RS300X G1 comes with the G1 GPS Sensor. |
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Features include:
- Heart rate displayed as percentage of maximum heart rate, BPM, and average heart rate of total exercise
- Tracks your latest 16 training sessions and your last 16 weeks of training
- Visual and audible alarm in target zones: Informs you every time your heart rate and/or speed/pace exceeds the upper limit or falls below the lower limit of your target zone during a training session.
- Polar OwnIndex Fitness Test calculates aerobic fitness (comparable to maximal oxygen uptake, VO2max) providing a reference to base training intensity and measure improvement.
- Polar OwnCal: Shows your energy expenditure during one exercise session as well as your accumulated kilocalories during several exercise sessions. Because the OwnCal tracks both the energy expenditure during one exercise session and the accumulated kilocalories during a longer time e.g. one week, it helps in achieving both short term and long term goals.
- Time in Target Zone feature calculates the amount of total training time spent in your personal target zone. You can use this feature together with the Total Exercise Time to determine the effectiveness of your training program.
- Number of laps - 99
- Watch features: alarm with snooze, dual time zone, stopwatch
- Compatible with Polar FlowLink (available separately)
- Water resistant to 50 meters
- Backlighting, display zoom
- Event Countdown Timer: Keeps your motivation high by showing how many days are left before your next running event (e.g., Berlin 23 days).
About Polar
The first EKG accurate wireless heart rate monitor was invented by Polar back in 1977 as a training tool for the Finnish National Cross Country Ski Team. The concept of "intensity training" by heart rate swept the athletic world in the eighties. By the 1990s, individuals were looking to heart rate monitors not only for performance training needs, but also for achieving everyday fitness goals. Today, the same concept of heart rate training is being used by world-class athletes as well as everyday people trying to lose weight. Polar is the leading brand among consumers, coaches, and personal trainers worldwide and the company is committed to not only producing the best products, but also being the leading educator on the benefits of heart rate based exercise.
Product Description
The RS300X + G1 GPS sensor provides speed and distance in various outdoor sports, to show how the effort is adding to performance.
- Measures heart rate combined speed and distance
- Train at the right intensity with personal training zones
- Displays calories burned
- Tracks latest 16 training sessions and last 16 weeks of training
- Includes the G1 GPS sensor
| Item Specifications | |
|---|---|
| Color | Black |
| Heart Rate | Included |
| GPS Enabled | Included |
| Cadence | Optional |
Product Details
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Customer Reviews
Most Helpful Customer Reviews
116 of 123 people found the following review helpful
I consider myself a beginner when it comes to running. After looking around for several options, I decided to get the Polar RS300X G1 because of its multisport capabilities. I could easily run or ride my bike with it, and I would be able to measure distance and pace with the same device, without having to install/uninstall things to my bike every time I wanted to change excersices. After considering the Garmin 305 I decided to go for the Polar because of the extremely big and uncomfortable size of the Garmin. Everything looked nice in the website, but the story changed after only a few weeks I've owned the training computer.
1) The watch itself is incapable of transmitting data to the Polar site (or any other running website) which makes it a little boring for you as a user to log in and "manually" enter your data every time you complete an excersise. I was very sad to know that in order to do this automatically I have to separately purchase an extra device (Polar Flowlink @ $55.00).
2) I have been experiencing some problems with the accuracy of the distance. Since I just got my watch a few weeks ago, I entered in several forums to see if any other user was experiencing what I was going through, and to my unpleaseant surprise, yes... they were. Basically, the battery life of the G1 GPS Sensor is so short that you can only use it for up to 8 hours. More than that and you will start getting incorrect data from your runs. What is the purpose of a GPS sensor if you can get accurate data from it? Now I will have to constantly purchase batteries just to keep my distances correct.
Very sad that Polar hasn't come with better solutions for this issues. I saw several users unhappy about this same thing in their own web site.
1) The watch itself is incapable of transmitting data to the Polar site (or any other running website) which makes it a little boring for you as a user to log in and "manually" enter your data every time you complete an excersise. I was very sad to know that in order to do this automatically I have to separately purchase an extra device (Polar Flowlink @ $55.00).
2) I have been experiencing some problems with the accuracy of the distance. Since I just got my watch a few weeks ago, I entered in several forums to see if any other user was experiencing what I was going through, and to my unpleaseant surprise, yes... they were. Basically, the battery life of the G1 GPS Sensor is so short that you can only use it for up to 8 hours. More than that and you will start getting incorrect data from your runs. What is the purpose of a GPS sensor if you can get accurate data from it? Now I will have to constantly purchase batteries just to keep my distances correct.
Very sad that Polar hasn't come with better solutions for this issues. I saw several users unhappy about this same thing in their own web site.
13 of 13 people found the following review helpful
Amazon Verified Purchase
I bought this watch about six months ago and have been pretty happy overall with its performance. I also bought the Flowlink along with the watch (and GPS arm band), but I have yet to use it because of the hassle of downloading the Polar software from its website. Even without being to download my workouts, I still take pleasure in using the watch and GPS. It has been invaluable to know what my pace and distance have been, although I'm not sure if the speeds, and therefore distances, are totally accurate. I say this because I have run with my boyfriend who has a Garmin with built in GPS and his watch says that we're going slower than mine does. Regardless, it gives me an idea of where I'm at.
The only issues that I have had with the watch have been one, if you accidentally hit your arm against something while not intending to exercise, you can start the timer. Two, while running in lightly wooded areas (big paths cut between fairly dense trees) the watch will lose satellite connection and will beep at you until it finds them again. I have found that turning the GPS off and then back on again seems to work. Of course, you have to stop and fumble around with it, but that's what it is. Issue three is the fact that the chest belt transmitter sometimes loses the ability to "talk" to the watch while working out. I have found that before each workout, one really needs to wipe down the chest strap (warm water) before starting. Like the instructions say, the strap needs to be moistened before working out anyhow, but a good wipedown is essential to have uninterrupted transmission for the duration of your workout.
The only issues that I have had with the watch have been one, if you accidentally hit your arm against something while not intending to exercise, you can start the timer. Two, while running in lightly wooded areas (big paths cut between fairly dense trees) the watch will lose satellite connection and will beep at you until it finds them again. I have found that turning the GPS off and then back on again seems to work. Of course, you have to stop and fumble around with it, but that's what it is. Issue three is the fact that the chest belt transmitter sometimes loses the ability to "talk" to the watch while working out. I have found that before each workout, one really needs to wipe down the chest strap (warm water) before starting. Like the instructions say, the strap needs to be moistened before working out anyhow, but a good wipedown is essential to have uninterrupted transmission for the duration of your workout.
9 of 9 people found the following review helpful
Amazon Verified Purchase
First this watch and GPS can work very well. The GPS can report extremely accurate distances and can on occasion perform well in lightly wooded areas.
But, the watch/GPS gets completely confused about 25% of the time. The manual says that you should let the watch find your HR before you turn on the GPS. Once you turn on the GPS it seems to takes a minute or so for the GPS to find Satellites. (I have not timed this....perhaps it is an extremely annoying 20 seconds, I just know I am ready to go but am standing around in my driveway waiting for my watch) "So, why not just turn on the GPS a bit before I am ready?" you may ask. Well, I have NEVER gotten it to work any way other than standing outside well away from my house, with the watch entirely ready to go other than the GPS and then turning the GPS on last. Assuming you do that you have a decent chance that it will work. If the watch starts complaining about the GPS once you are a good ways down the road there is probably about a 50/50 chances you are out of luck for the day. Sometimes it has just lost the Satellites. Lose of satellite it usually recovers from this fairly quickly and the lose will probably not effect your total distance. However, if your watch wants you to check the GPS it is done for the day. When I do check the GPS, the GPS indicates that it is on and is tracking satellites but the watch continues to be periodically unhappy with it. Sometimes will continue to track your pace reasonably well. You may also be encouraged to see your total distance increasing. This probably means your moving away from your starting point. If you are on a closed coarse, by the time you get back to your starting point your total distance is zero. If this is a coarse you know, then I suppose this is no great loss, except why did you spend so much money on a watch with GPS.
Also, you must let the watch know if it should or should not be expecting a GPS sensor. This is a global setting. I think it would make much more sense for this setting to be associate with the exercise. I have tried to use the watch with different exercises. (e.g. jogging / resistance training / stationary bike) I don't really wanna wear the GPS unless I am jogging. But, the use must change both the exercise and the S-Sensor setting separately. I suppose which way is better is a matter of opinion. I can also see where this complaint on my part might be considered whining. But, I think most users who would be notably impacted would be happier with the S-Sensor seeing associated with the exercise. As a software engineer if I can do a little extra work to save users a handful of seconds everyday, I do it. I consider that fact Polar did not, a sign of apathy and complacency. I have similar feeling about the apparent fickle startup procedure for the GPS.
Finally, I trust the watches calorie approximation very little. If you set your VO2Max manually instead of trusting the watches test it does get closer to every other reference I have used as a baseline for comparison. Since I didn't know mine, I self tested using the Rockport test and if you are having a good GPS day the Rockport test is easy to perform. In any case I feel the Rockport test is destined to give much better results than the at rest test Polar performs. It seems to me that building in a Rockport test in addition to the at rest test would have been ideal for a company that would enjoy selling more GPS units. They may have very good reasons for not doing so, but reading between the lines, I again find myself assuming it to be a sign of apathy and complacency.
The watch is still a cute toy and I am not exactly throwing it away, but I can't help but feel I could have gotten a better value elsewhere and were it more than a toy to me, I would be replacing it.
But, the watch/GPS gets completely confused about 25% of the time. The manual says that you should let the watch find your HR before you turn on the GPS. Once you turn on the GPS it seems to takes a minute or so for the GPS to find Satellites. (I have not timed this....perhaps it is an extremely annoying 20 seconds, I just know I am ready to go but am standing around in my driveway waiting for my watch) "So, why not just turn on the GPS a bit before I am ready?" you may ask. Well, I have NEVER gotten it to work any way other than standing outside well away from my house, with the watch entirely ready to go other than the GPS and then turning the GPS on last. Assuming you do that you have a decent chance that it will work. If the watch starts complaining about the GPS once you are a good ways down the road there is probably about a 50/50 chances you are out of luck for the day. Sometimes it has just lost the Satellites. Lose of satellite it usually recovers from this fairly quickly and the lose will probably not effect your total distance. However, if your watch wants you to check the GPS it is done for the day. When I do check the GPS, the GPS indicates that it is on and is tracking satellites but the watch continues to be periodically unhappy with it. Sometimes will continue to track your pace reasonably well. You may also be encouraged to see your total distance increasing. This probably means your moving away from your starting point. If you are on a closed coarse, by the time you get back to your starting point your total distance is zero. If this is a coarse you know, then I suppose this is no great loss, except why did you spend so much money on a watch with GPS.
Also, you must let the watch know if it should or should not be expecting a GPS sensor. This is a global setting. I think it would make much more sense for this setting to be associate with the exercise. I have tried to use the watch with different exercises. (e.g. jogging / resistance training / stationary bike) I don't really wanna wear the GPS unless I am jogging. But, the use must change both the exercise and the S-Sensor setting separately. I suppose which way is better is a matter of opinion. I can also see where this complaint on my part might be considered whining. But, I think most users who would be notably impacted would be happier with the S-Sensor seeing associated with the exercise. As a software engineer if I can do a little extra work to save users a handful of seconds everyday, I do it. I consider that fact Polar did not, a sign of apathy and complacency. I have similar feeling about the apparent fickle startup procedure for the GPS.
Finally, I trust the watches calorie approximation very little. If you set your VO2Max manually instead of trusting the watches test it does get closer to every other reference I have used as a baseline for comparison. Since I didn't know mine, I self tested using the Rockport test and if you are having a good GPS day the Rockport test is easy to perform. In any case I feel the Rockport test is destined to give much better results than the at rest test Polar performs. It seems to me that building in a Rockport test in addition to the at rest test would have been ideal for a company that would enjoy selling more GPS units. They may have very good reasons for not doing so, but reading between the lines, I again find myself assuming it to be a sign of apathy and complacency.
The watch is still a cute toy and I am not exactly throwing it away, but I can't help but feel I could have gotten a better value elsewhere and were it more than a toy to me, I would be replacing it.
Most Recent Customer Reviews
Heart rate portion-Great. GPS, not so much
I wanted to begin training by heart rate and naturally the weekend I started, my dog decided my current watch would make a good chew toy. Read more
Published 19 days ago by M. Clawson
The best cost vs. benefit!
Very good item... simple one, but have everything you'll need. I had 3 times this same model and I still keep on it!
Published 1 month ago by Pedrozo
Good watch and heart monitor, not so the GPS
The watch works well, the information it gives has helped me to improve my training and the several "training views" it has adapt to the exercise you are doing. Read more
Published 1 month ago by Albert
Do not buy
I bought this for use when I was on the Greg Lemond Spin Cycles: they can "link" into the Polar Heart Rate Monitor. Read more
Published 2 months ago by L. A. Rosas
Delivers Well in Colorado
I am a casual user, wearing the heart rate transmitter and G1 GPS while delivering newspapers on a bicycle. Read more
Published 3 months ago by Jonathan Henderson
Shame for Polar
I am a marathon runner and I was a loyal Polar customer before having a bad experience with this Polar device. Basically the main problem is the G1 GPS receptor. Read more
Published 5 months ago by Carlos Eduardo Delgado Corredera
The worst purchase ever: Polar RS300X G1 failed only after 4 months
Polar RS300X G1 Heart Rate Monitor Watch with G1 GPS Sensor (Black)
I bought the Polar RS300X G1 4 months ago and this week started to show a "battery low" message on the... Read more
I bought the Polar RS300X G1 4 months ago and this week started to show a "battery low" message on the... Read more
Published 5 months ago by Mauricio
Polar R300X Rocks
Combining heart monitoring, pace, distance and positio helps to improve a runner's efficiency. So from the technology point of view it is a great product! Read more
Published 7 months ago by Paco
Not all the features that I expected
I have mixed feelings for this watch.
The Good:
1) Good Looks
2) Good Price
3) Reliable heart-rate monitoring
4) I can swim with it
The... Read more
The Good:
1) Good Looks
2) Good Price
3) Reliable heart-rate monitoring
4) I can swim with it
The... Read more
Published 8 months ago by PolarUser
missing
in the box i got the watch and the gps along with the belt to fix the cardio-sensor, BUT THE CARDIO SENSOR WAS NOT IN THE BOX
Published 10 months ago by llts2007
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