 At the 2004 Summer Olympics in Athens, Lademann with the German National Pursuit Team lost out to the Spanish Team in the ride off for bronze.From 2005 onwards until his retirement at the end of 2008, he rode under contract with the German continental team Sparkasse.In 2009 a sample of Lademann's from the year 2007 was retrospectively tested following newly developed test methods and found to be positive for EPO.