Back for it’s second year! A 24-hour marathon paddling race where solo, tandem, and relay teams race against the clock to complete as many laps of a 10km course as possible in 24 hours. The 24-Hours of River X. Time is your toughest competition. Not only a marathon paddle race, the Algonquin Outfitters 24-Hours of River X is also about teammates, families and friends coming together as a larger paddling community and sharing the camaraderie of friendly competition. The Algonquin Outfitters 24-Hours of River X is a great weekend of paddle sport racing hosted within a festival-style camp site in the heart of downtown Huntsville. Limited spots available.