The most circles with a basketball around the waist in 30 seconds is 52 achieved by Dennis Peeters (Belgium) in Hoevenen, Antwerp, Belgium, on 14 July 2011.

This record was broken on the Guinness World Record Challengers site – http://gwrchallengers.com/challenges/26-most-circles-with-basketball-round-waist-in-30-secs/attempts/335