And then there's the high school x country ski team who practices on my street on skates, (a very steep downhill/uphill) throughout the summer and fall. Although the coach is with them, it's scary. One time, I thought I was going to be dropped by one of them, going UP the hill. I think I was coming home from a commute. I was able to keep ahead of the guy, but it is kind of amazing that they can skate so fast up a 12% grade. Even if they are 16...