Pedzisa mutsara unotevera: Blum akasvika pakakwirira pamitambo yenyika mugore rake rokutanga semukuru paakakunda zita remamita 60 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. Akakwanisa kuwana nzvimbo yechitatu mu
2007 European Cup 100 m, zvisinei. 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.