Does Running Count as Vigorous Exercise? How Your Minutes Add Up
Why federal guidelines class running as vigorous activity, how the 2-to-1 rule converts running minutes, and why your own fitness changes the answer.
If you have started running, you have probably wondered how it fits the weekly activity targets you hear about, the 150 minutes a week figure in particular. The short answer is that running usually counts for more, minute for minute, than walking does. Here is why, using the federal Physical Activity Guidelines for Americans from the U.S. Department of Health and Human Services (HHS).
Running is the guidelines' example of vigorous activity
The guidelines sort aerobic activity into intensity levels, and running is their go-to example of the top level. They describe moderate intensity as effort equivalent to brisk walking, and vigorous intensity as effort equivalent to running or jogging. Their table of vigorous-intensity activities lists jogging or running first, alongside swimming laps, singles tennis, and vigorous dancing.
The guidelines also measure intensity in METs, a way of comparing energy use during an activity with energy use at rest:
| Intensity | Energy use compared with rest | Examples from the guidelines |
|---|---|---|
| Light | 1.6 to 2.9 times | Not the focus of this guidance |
| Moderate | 3.0 to 5.9 times | Brisk walking at 2.5 to 4 mph, doubles tennis, raking the yard |
| Vigorous | 6.0 or more times | Jogging, running, carrying heavy loads upstairs, shoveling snow |
The weekly target for runners
For adults, the guidelines' main aerobic recommendation is 150 to 300 minutes a week of moderate-intensity activity, or 75 to 150 minutes a week of vigorous-intensity activity, or an equivalent combination of the two. Their own plain-language summary puts it simply: if you prefer vigorous activity, like running, aim for at least 75 minutes a week.
NIA's guidance repeats the vigorous option: building up to 75 minutes of vigorous activity, or a combination of moderate and vigorous, also counts toward the aerobic goal.
The 2-to-1 rule
The guidelines give a rule of thumb for converting between the two: one minute of vigorous activity provides about the same benefit as two minutes of moderate activity. Their own example is that 150 minutes of vigorous activity a week provides about the same benefits as 300 minutes of moderate activity.
Here is how that works for a few running schedules:
| Weekly running | Minutes of vigorous activity | Moderate-equivalent minutes |
|---|---|---|
| 3 runs of 15 minutes | 45 | 90 |
| 3 runs of 25 minutes | 75 | 150 |
| 3 runs of 30 minutes | 90 | 180 |
| 4 runs of 30 minutes | 120 | 240 |
So three 25-minute runs a week reach the 75-minute vigorous floor. And you can mix: two 20-minute runs (40 vigorous minutes, or 80 moderate-equivalent) plus 70 minutes of brisk walking adds up to 150 moderate-equivalent minutes.
Why "vigorous" depends on you
There is an important catch. The guidelines describe two ways to judge intensity:
- Absolute intensity is the energy an activity uses, regardless of your fitness. On this measure, running is vigorous for everyone.
- Relative intensity is the effort the activity takes for you. The guidelines note that less fit people generally need a higher level of effort than fitter people to do the same activity, and they measure it on a simple personal effort scale from 0 (sitting) to 10 (the hardest effort possible).
The guidelines say either method can be used to track progress. For a new runner, the practical point is that the same pace can feel very different as fitness improves. Early on, an easy jog may feel vigorous. Months later, it may feel moderate.
Faster is not automatically better
The vigorous label can tempt beginners to push every run. The guidelines' safety advice points the other way for people who are just starting out. For inactive adults, they suggest generally starting with relatively moderate-intensity activity and avoiding relatively vigorous activity, naming running as an example, until fitness builds. Adults with low fitness may need to start with light activity or a light-to-moderate mix.
They also compare injury risk directly: in the amounts commonly done by adults, walking has a third or less of the injury risk of running. That is not a reason to avoid running, but it is a reason to build up to it gradually, often from walking.
A simple way to use this
- Count your running minutes for the week.
- Double them to get the moderate-equivalent figure.
- Add any brisk walking or other moderate activity.
- If the total reaches 150 or more, you are at or above the guidelines' baseline.
Going beyond that brings more benefit. The guidelines say additional health benefits come from activity beyond the equivalent of 300 minutes of moderate-intensity activity a week.
Key takeaways
- The Physical Activity Guidelines class jogging and running as vigorous-intensity activity.
- Runners can meet the aerobic baseline with at least 75 minutes a week of running.
- The 2-to-1 rule means one running minute counts about the same as two minutes of brisk walking.
- Three 25-minute runs a week equal 150 moderate-equivalent minutes.
- Whether running feels vigorous depends on your fitness, so new runners should build up gradually.
This article is general information, not medical advice. Talk with a doctor before starting a new exercise routine, especially if you have a health condition.