Nyora kupfuurira kweiyi ndima - Boslak's personal outdoor best is 4.70 metres, yakawanikwa pa2006 European Cup
muMalaga musi wa28 Chikumi 2006 uye mumutambo wekupedzisira wepole vault we2007 World Championships muOsaka musi wa28 Nyamavhuvhu 2007. Akawana zvakanakisisa zvake mukati me4.70m mukukunda menduru yesirivha musi wa11 Kurume 2012 pa2012 World Indoor Championships muIstanbul.