Be sure to drink every 20 minutes. There are many convenient water carriers - from waist packs to shoulder carriers. Choose what works best for you. Heart Rate Monitor - The serious walker may want to invest in a heart rate monitor. This is the easiest way to measure exertion.
Wireless types are best because they give an accurate readout and are comfortable to wear.
They're comprised of a belt worn around the chest and a wristwatch display. They must be accurately adjusted to your stride length to get a good reading. They come with a variety of features. Some will even calculate calorie expenditure. Music can motivate you and energize your workout while helping to pass the time by creating a distraction.