hi mate, before the ban lol, my dog bandit a black 1/4 bull 3/4 grey ran many hes a very fast dog and gets up on them in no time and will course it till its court or gets into cover eg wood or through thick hedges that being the problem where i am not many huge open plains i would say hed get maybe 1 in 10 in daylight and 2 in 5 on the lamp the biggest i got was a female at 9 3/4lb , bandit is about 26inch 70lb have not met a 50 50 yet that could do it (not saying there isnt any) but havnt met one yet ,would love to see it if its possible