How much walking counts
US public health guidance, such as the CDC's physical activity basics, suggests that adults aim for at least 150 minutes a week of moderate-intensity aerobic activity, plus muscle-strengthening activity on two or more days. Brisk walking is one of the most common ways to reach the aerobic part.
That works out to about 30 minutes on five days, though you can split it however suits you. Several 10-minute walks across a day add up the same way as one longer walk. Any amount is better than none, so if 150 minutes sounds like a lot, start where you are and build.
Is your pace brisk enough?
You don't need a watch to judge intensity. The talk test works well:
| Effort | What talking feels like | What it counts as |
|---|---|---|
| Easy stroll | You could sing | Light activity, still good for you |
| Brisk walk | You can talk in sentences but couldn't sing | Moderate intensity |
| Fast walk or steep climb | You can only say a few words before taking a breath | Vigorous intensity |
A brisk walk feels purposeful, the way you might walk when you are a little late. Your breathing picks up and you may feel warm after ten minutes or so.
Steps, minutes or miles?
Any of them can work as a goal. Minutes match the health guidance most closely. Steps are easy to track on a phone or watch, and for many adults a mile is roughly 2,000 to 2,500 steps, depending on stride length. Miles become more useful once you start planning hikes, because trail descriptions are given in distance.
Whatever you track, compare yourself with your own last few weeks rather than a fixed number from somewhere else.
Building up safely
- Increase one thing at a time: either how long you walk or how fast, not both in the same week.
- Keep most walks at a comfortable brisk pace and make one or two a little longer.
- Add hills, stairs or trails gradually. Climbing works the legs and lungs harder than flat ground, and going downhill is hard on knees and the fronts of the thighs.
- Take easy days. Feeling a bit stiff the next morning is normal when you add something new. Sharp pain, swelling or pain that changes how you walk is a reason to rest and get it checked.
Keep it interesting
Habits last longer when they stay enjoyable. Change your route, walk with a friend, try an early morning or an evening walk, or pick a local park trail for the weekend. Short bursts of faster walking, such as a minute quick and a few minutes steady, add variety and some extra effort. The walking technique guide covers posture and arm swing, which help when you pick up the pace.
Don't forget strength
Walking trains the heart and lungs and keeps legs working, but the guidelines also call for muscle strengthening. Simple moves such as sit-to-stand from a chair, step-ups on a stair and calf raises help with hills and uneven trails later on. If you have a health condition or haven't exercised in a while, ask your doctor or a physical therapist what is right for you.
Is walking enough exercise on its own?
Brisk walking can cover the aerobic part of the weekly guidance. Adding some strength work on two days a week covers the rest.
Is it better to walk every day or a few long walks a week?
Both can reach the same weekly total. Shorter daily walks are easier to fit in and build a habit. Longer walks build the endurance you need for hiking.