Mezue ahịrịokwu na-esonụ: Kuijken setịpụrụ usoro nke onwe ya kacha mma na egwu na 2005: 2:06.25 nkeji maka mita 800, 4:19.72 nkeji maka 1500 m (maka nke asaa na
2005 European Cup ihe omume), 9:28.45 nkeji maka 3000 m (akụkụ nke ọlaọcha nrite na 2005 European Athletics Junior Championships) na 10:42.93 nkeji maka 3000 mita steeplechase. N'elu ahịhịa, ọ bụ onye mmeri ọla nchara nke ndị na-eto eto na 2005 European Cross Country Championship ma tinye 58th na agbụrụ ndị na-eto eto na 2005 IAAF World Cross Country Championship.