every single deer is far from the same saying all roe are fast is like saying all black people are as fast as usain bolt lol! Old or weak deer will obviously be alot slower than deer in prime condition. There a thousand different situations each deer can be ran in so no one can really say which will be the fastest all the time. Deer of the same species vary hugely over the uk take a red stag up in the highlands compared to a lowland forest stag in the middle of winter and id dare to guess the difference in weight, condition would be massive?? Ive ran reds pre pan in the midlands and they were