Regularly descend at 50+
Hit 64 on the TT bike this summer.
Started descending ala pro style sitting on the top tube with a narrow bar grip - I just don't think about the fall should it happen
Going back a few years I can remember descending in a race at 112 km/h (70 mph) and had a teammate (great descender) come by me like a bullet - he said he was doing 122 km/h (76.25 mph) - the descent was literally like falling off a cliff

Weeeeeeeee