Update 2018-12-11

Update 2018-12-11: I've stopped having any days where I run going for maximum speed trying to beat my best time, because I found I was pushing myself too hard and hurting my knees. During the summer, on very hot days, I walked the distance. Now that it's cooled off again I'm back to always running. I find keeping my coat in my backpack so I'm cold is good motivation for running, as is pushing myself to run barefoot even as it gets colder (though I s...