Nyorai mberi kweiyi ndima - Blum akasvika pakakwirira pamitambo yenyika mugore rake rekutanga semukuru nekukunda zita remamita makumi matanhatu pa2007 German Indoor Athletics Championships. Izvi zvakatungamira kushevedzwa kwake kwekutanga kwevakuru vepasi rose uye aive semi-finalist pamusoro penzvimbo iyoyo pa2007 European Athletics Indoor Championships. Akamhanyira mumitambo mitatu pa2007 European Athletics U23 Championships: akanga ari wechinomwe mumakwikwi ekupedzisira e100 m asi akakundikana kupedzisa mu relay uye 200 m. Akabata nzvimbo yechitatu mu2007 European Cup
Asi 100 m. Akavandudza nguva dzake dzakanakisisa dzomunhu oga pamakwikwi ose gore iroro: 10.26 masekondi nokuda kwemamita 100, 20.85 masekondi nokuda kwemamita 200 uye 6.59 masekondi nokuda kwemamita 60.