Lake Placid (pps) Erin Hamlin, Chris Mazdzer and Matt Mortensen/Preston Griffall have been crowned 2011 US American champions. At the national championships held in Lake Placid, the 2009 World Champion Hamlin defeated Emily Sweeney and Ashley Walden. As did Hamlin, who placed eighth in last season’s overall Viessmann World Cup, Chris Mazdzer also won his second national title in a row, beating Robby Huerbin and Taylor Morris, who finshed in second and third place respectively. The doubles crown went to Matt Mortensen/Preston Griffall. The seventh place finishers at the World Championships in Cesana captured the gold medal ahead of 2010/2011 overall Junior World Cup winners Jacob Hyrns/Andrew Sherk and Shane Hook/Zac Clark. World Cup athletes Julia Clukey and Christian Niccum (with Jayson Terdiman), missed the US championships with injuries.