The heart rate monitor will eliminate such problem at the device will enable the user to determine if he achieves the desired level of training intensity. Pacing during the competition: When you are on the race trying to beat all other contenders, you also have to know when to step on your gas or when to slow down. Among all the things, you should be mindful that what you need for a belt chest heart monitor is its long service. Hence, select one that will last for several years. A normal best chest heart rate monitor could have battery that could serve for several years and require to be charged. The main problem here is that most manufacturers require you to send back the belt chest to recharge the battery. But then there is a great tendency to be inaccurate in reading the heart rate manually. With the heart rate monitor watch, runners, athletes, and trainers would eliminate the need for manual reading. As a result, the heart rate monitoring would be more accurate. People using the heart rate monitor watch can also have an easy access on the status of their heart at any given time they wish to check it. Some have additional features to include calorie burned count and percentage of fat burned count. Higher end heart rate monitors have computer connectors for data uploading and easy reference. Some are with belt chest while some are strapless. Some can store multiple data while some can store only one. Although treadmill will give us the total body workout, treadmill is incomplete without the device that gives us report, not on the length we are going but the rate our heart is performing. Yes! Treadmill should have the heart rate monitor. Treadmill heart rate monitor is a device that is attached on a treadmill as an added feature. It is given that most heart rate monitors are designed for men so the size of the strap would not easily fit to the women s. And if the strap would not fit properly, there is a great tendency for inaccurate reading. The next thing to consider is the display. You have to take into account the when you are training, either you are running, swimming, biking or on a treadmill, you are making great body movements.