I've taken one at 44.5 yds(verified with rangefinder)and another at 37 yds. The rest have been under 30 yds. I tend not to take long shots unless they are about as perfect as you can get. But that's just me.

The 44.5 yd shot I mention I thought was 40 yds and only later used a rangefinder to determine actual distance. It turned out to be a perfect hit though.