Career
He competed in the 2008 Summer Olympics in Beijing, where he missed the final round after finishing 17th in his qualification group with 67.49 m. Vieweg has a personal best of 83.27 m. 2004 - 70.51
2005 - 75.85
2006 - 78.18
2007 - 79.56
2008 - 83.27
2009 - 79.00
2011 - 75.81.