SUP Magazine: Bart de Zwart Speaks On His New 24-Hour SUP Record 0 01 Jun 2017 09:34 Playak Maui expedition master Bart de Zwart just set the new 24-hour distance record at 193.8 km. Here he fills us in on the experience. The post Bart de Zwart Speaks On His New 24-Hour SUP Record appeared first on SUP Magazine.