You probably know the feeling of being a bit more winded after climbing stairs.
Carrying groceries or keeping up with the grandkids can start to feel heavier in your fifties. Most people never put a number on it.
Doctors have a simple way to do just that. It's called the 6-minute walk test, and it measures how far you can cover in six minutes on a flat corridor at your own pace.
According to normative data compiled by Shirley Ryan AbilityLab, healthy men aged 20 to 59 walk an average of 736 meters, and women in the same age band walk 674 meters. The distance drops with every decade.
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Here is how the age-matched averages break down.
Age | Men | Women Also read: Fatty liver disease affects 1 in 4 adults, and the early signs are easy to miss |
|---|---|---|
20-59 | 736 m | 674 m |
60-69 Also read: Breast cancer chemo may cost survivors nearly a decade of healthy years | 572 m | 538 m |
70-79 | 527 m Also read: New study reveals what daily vaping may do to your lungs in just one year | 471 m |
80-89 | 417 m | 392 m Also read: How eating red meat every day may affect your heart and gut health |
The 20 to 59 band comes from a 2017 study of 1,000 healthy adults by McKay and colleagues.
The older figures come from Steffen and colleagues, who tested community-dwelling seniors in 2002.
Both sets are the reference values rehabilitation clinicians still lean on today.
Where the test comes from
The American Thoracic Society standardized the protocol in 2002 as a low-cost way to measure functional cardiorespiratory fitness in patients with heart or lung disease.
Unlike a treadmill stress test, it does not push you to maximum effort.
You set the pace. You can slow down or stop if needed. You cover as much ground as you can in six minutes along a flat 30-meter corridor.
That is the point. The distance reflects what your heart, lungs, legs and nervous system can actually deliver in daily life, not in a lab.
What a low score may mean
Clinicians commonly flag a result that falls below roughly 80 percent of the age and sex matched predicted distance as a sign of meaningful functional impairment.
A low score does not diagnose any single disease. It is a warning light.
Shorter 6-minute distances have been linked in people with heart and lung conditions to poorer long-term outcomes, which is why doctors use the test to track patients over time.
If your result sits well under the age-matched average, that is a reason to talk to your doctor. Common causes range from being out of shape, to anemia, to early heart or lung disease.
Why activity level still shifts the picture
A 2025 study of 163 older women published in Healthcare by Cogollos-de-la-Peña and colleagues looked at what everyday activity does to the test.
The highly active group covered just under 500 meters, similar to the least active group in raw distance. But their heart rate rose only about 12 percent during the walk, compared with roughly 28 percent in the least active women.
In other words, the heart of an active 70-year-old does the same work at a much lower cost.
You can nudge your own number up at any age. The usual levers work. Brisk walks of 20 to 30 minutes most days, a little strength training for the legs, and keeping an eye on blood pressure, weight and sleep all push the distance back up.
Repeating the test every six months is a simple way to see progress in meters, not just in how you feel.
This article is made and published by Ida-Marie Palm Varbæk, who may have used AI in the preparation.