if the fields 60 yards long dogs on to it turns it 10 times or more that 60 yards then becomes 100 or more yards then the next field same thing again the yards dont belong adding up the thing is when a dog runs here in ire he more and less runing a full speed the full run were as in eng hare pulls dog nos hes time to get bk to it and can run with in him self saveing engery seen plenty of long runs in ire 3s 4 min race good hares that could run on fens easy if had time to learn the land