Lately I've been walking 20 km per day (~12.5 mi). Takes at least 3.5 hours. I try not to listen to any audio -- I just let my mind wander. To step it up a notch, I put on a weighted backpack (i.e. ruck). I'm typically carrying 30 lbs, sometimes 50. This raises the heart rate and roughly doubles the caloric burn. Low injury risk, too. Michael Easter's book "Comfort Crisis" has a nice chapter on rucking. I just wish i…
> 20 km per day (~12.5 mi) That is some serious distance. I remember thinking I would be able to do at least 25-35 km per day, a few years ago when I walked parts of the camino de Santiago in Spain. Blisters and destroyed feet in just a few days, not ever reaching 30 km per day I think.. How long did it take you to get used to this kind of distance daily?
Blisters happened at the beginning. Investing in Darn Tough socks helps.