His last competitive outing was a win in the prestigious Green River race in North Carolina last month, after a season dominated by extreme race wins and his debut at the London Olympics.
The Whitewater Grand Prix brings together the world's best whitewater kayakers, competing in five events over 14 days. It is supported by the Association of Whitewater Professionals (AWP).
First stage results: Whitewater Enduro:
Men: Mike Dawson (NZL) 4mins 22.89secs 1, Isaac Levinson (USA) 4:27.61 2, Dane Jackson (USA) 4:33.40 3, Evan Garcia (USA) 4:34.41 4, Michele Ramazza (ITL) 4:36.69 5, Eric Deguil (FRA) 4:36.90 6, Jakub Nemec (CZE) 4:37.27 7, Todd Wells (USA) 4:40.40 8, Marcos Gallegos (CHL) 4:46.26 9, Ben Marr (CAN) 4:47.43 10.
Women: Nouria Newman (FRA) 5:00.76 1, Martina Wegman (NLD) 5:08.55 2, Katrina Van Wijk (CAN) 5:25.82 3, Natalie Anderson (USA) 5:33.64 4, Louise Jull (NZL) 5:41.14 5, Lu Urwin (NZL) 5:45.83 6.