Fastest swim underwater 50 metres in a 25 metre pool
Jordan Proffitt
United States (Louisville,,University of Louisville Ralph Wright Natatorium)
The fastest time to swim 50 metres underwater in a 25 metre pool is 27.86 seconds and was achieved by Jordan Proffitt (USA), at the University of Louisville Ralph Wright Natatorium, in Louisville, Kentucky, USA, on 18 November 2012.