Grzegorz Sudo was in over 20 competitions between 1996 and 2015, one of which was the European Race Walking Cup (took place on May 17, 2015)
1996 World Junior Championships 1997 World Race Walking Cup European Junior Championships 1999 World Race Walking Cup 2000 European Race Walking Cup 2002 European Championships World Race Walking Cup 2003 World Championships 2004 World Race Walking Cup Olympic Games 2005 World Championships 2006 World Race Walking Cup European Championships 2007 World Championships 2008 World Race Walking Cup Olympic Games 2009 World Championships 2010 World Race Walking Cup European Championships 2011 European Race Walking Cup World Championships 2012 World Race Walking Cup Olympic Games 2013 European Race Walking Cup World Championships 2014 World Race Walking Cup European Championships 2015 European Race Walking Cup The 2015 European Race Walking Cup took place on May 17, 2015. 
