H.RUN 311/Diamond W.R.
This is a 100% correct statement. It was 608. Mosconi also ran 586 without missing and quit and went to dinner. He was 66 years old when he did this in 1979 at the Waldorf Astoria Hotel in NYC the day before he played Minnesota Fats on ABC wide world of sportsWhy would he have done that?
Mosconi didn’t care about high runs and only did it the one night because the crowd urged him to continue.
He put his cue down after running over 600 unfinished with Charlie Ursitti watching and reputedly said: See, running 600 is no big deal.