Sports High schooler Regan Smith crushes Missy Franklin’s world record in 200-meter backstroke July 26, 2019 Scott Gleeson, USA TODAY Comments Off on High schooler Regan Smith crushes Missy Franklin’s world record in 200-meter backstroke American Regan Smith, 17, broke Missy Franklin's world record in the 200-meter backstroke in 2:03.35 in the semifinal heat at world championships.