 Nyora kupfuurira kweiyi ndima - Pazera remakore gumi nemashanu, Markešević akaisa rekodhi yenyika yemamita zviuru zvitatu muboka rezera remakore gumi nemashanu nenguva ye8: 51.58. Markešević akaita kutanga kwake kwepasi rose pa2003 European Youth Summer Olympic Festival muParis, France, kwaakapedza wechipiri zvachose mumakwikwi emamita 3000. Pa2005 IAAF World Cross Country Championships, Markešević akapedza ari pachinzvimbo chechi36 kubva pa125 vakapedza mujaho wevarume vechidiki we8K. Pakupera kwegore rimwe chetero, akapedza ari wechitatu zvachose mumakwikwi evarume vadiki pa2005 European Cross Country Championships. Pa2006 European Cross Country Championships, Markešević akaisa wechipiri pakukwirira kunopesana nemakwikwi eU23, achipedzisa pamberi paDaniele Meucci naYevgeny Rybakov. 