Greatest distance covered in an inflatable craft in 24 hrs on flowing water

The record for the greatest distance covered in an inflatable craft in 24 hrs on flowing water is 312.55 km (194.21 miles) and was achieved by Billy Mattison, Brent Redden, Chris “Mongo” Reeder, Mike Reid, Todd Toledo (all USA) on the Colorado River, USA, between 11-12 June 2006.