- Bart de Zwart
- 193.8 kilometre(s)
- Switzerland (Erlach)
The greatest distance by stand up paddleboard (SUP) on flat water in 24 hours (male) is 193.8 km (120.42 mi), and was achieved by Bart de Zwart (Netherlands) on Lake Biel in Erlach, Switzerland on 30 May 2017.
Bart de Zwart chose to make his record-breaking attempt because he is known in the stand up paddleboard community for his endurance paddle expeditions.