Tulis hiji continuation for this paragraph - Lammert medali internasional kahijina sumping di 2003 Éropa Athletics Junior Championships, dimana manehna meunang medali perunggu. Manéhna jadi nu kalima di 2005 European Athletics Indoor Championships, meunang gelar shot put di 2005 European Athletics U23 Championships, sarta nuluykeun ngawakilan nagarana di 2005 World Championships di Athletics engké taun éta. Dina taun 2006, manéhna jadi Juara Jérman dina shot put boh indoor jeung outdoor sarta meunangkeun acara di Piala Éropa 2006
. tapi Manéhna jadi nu kaopat di 2006 IAAF World Indoor Championships jeung meunang medali senior kahijina di 2006 European Athletics Championships, nyokot perunggu jeung buang 19,17 méter.