Dee ihe na-aga n'ihu maka paragraf a - Lammert nwetara ihe nrite mba ụwa mbụ ya na 2003 European Athletics Junior Championships, ebe o meriri ọla nchara. Ọ bịara nke ise na 2005 European Athletics Indoor Championships, meriri aha agbapụ na 2005 European Athletics U23 Championships
, wee gaa na-anọchite anya obodo ya na 2005 World Championships na Athletics mgbe e mesịrị n'afọ ahụ. N'afọ 2006, ọ bụ onye mmeri German na agbapụ agbapụ ma n'ime ụlọ ma n'èzí ma merie ihe omume ya na 2006 European Cup. Ọ bụ onye nke anọ na 2006 IAAF World Indoor Championships wee nweta ihe nrite mbụ ya na 2006 European Athletics Championships, na-ewere ọla nchara na 19.17 mita.