That, actually, is way more than the minimum recommended. See [1]. It took me about 10 minutes of jogging at least 3-4 times a week over several months before I got to the point where I can now jog 60+ minutes non-stop.

[1] https://www.nytimes.com/2021/02/17/well/move/exercise-heart-...

Also, I suppose the majority of children still live within a much smaller radius of school.