We look at scientific studies and anecdotal testimony to determine whether you should be running or walking the hills on your next route – or is it a mixture?

My childhood home is situated smack in the middle of a hill, so going out to get the mail as a kid meant a near-vertical slog, and walking the dog involved either dragging a reluctant border collie up ...

Warm up with 5–8 minutes of easy running, ideally including a short climb, if there’s one nearby. Don’t stress if the area ...