I ran outside for the first time in ages on Thursday. This was on a paved trail and sidewalks around my workplace, which is quite hilly. There is one really long hill. It was much harder than my treadmill runs I'd been doing all winter, and here I thought I was in good shape! I'd been doing 3.5-4 miles on the treadmill but only managed about 2.5 outside (I'm going by time since I have no good way to measure the distance). And my right quad has been sore ever since.

I definitely need to do this more often!