I've ran into a couple of door ways at full tilt. I don't think anyone saw it for the speed, but I'm sure most people heard it: I literally went horizontal and spun a good 90 degrees both times. Clearing buildings with gravel as a base is hard.
Ár skal rísa, sá er annars vill
fé eða fjör hafa. Sjaldan liggjandi úlfur
lær um getur né sofandi maður sigur.