How far can you windsurf in 24hrs? Bob van de Burgt is going to try and break the record!

Bob is doing a 24 hour marathon to try and take the world record in distance. The current record is 695 km by Dennis Klaaijssen, a fellow Dutchman. He's doing it for a Dutch charity called Spieren voor Spieren, which is fighting muscle diseases in children. The aim... 1000 km. Place : Brouwersdam in Holland,