 Pari gbolohun ti o tẹle: Ọdun 2005 jẹ aṣeyọri fun Kiplagat: o gba ami ẹyẹ fadaka ni 2005 IAAF World Half Marathon Championships lẹhinna gba akọle ni 2005 IAAF World Half Marathon Championships : 2005 European Cross Country Championships, awọn iṣẹ akanṣe ti o mu ki o bẹrẹ ti a yan bi elere idaraya Dutch ti ọdun. Ní 2006 IAAF World Cross Country Championships, ó parí ní ipò kejì ní Japan, ó sì gba àmì ẹyẹ fàdákà. Ó tún parí ní ipò karùn-ún nínú ìdíje 10,000m ní 2006 European Athletics Championships. 