Mezue ahịrịokwu na-esonụ: A mụrụ Friis na Blovstrød. Ọ gbara onye nke atọ n'asọmpi 1500 mita n'ụdị nnwere onwe na
European Championships 2008 na Eindhoven o meriri ihe nrite mbụ ya. Na 2008 Summer Olympics na Beijing, o meriri ọla nchara na asọmpi 800 mita freestyle. Na 2009 World Championships ọ meriri ọlaọcha na asọmpi 1500 mita freestyle na ọla edo na asọmpi 800 mita freestyle na oge nke abụọ kachasị ọsọ na oge ọhụụ ọhụrụ. Na 2011 World Aquatics Championship na Shanghai Friis meriri ọla edo na ụmụ nwanyị 1500 mita freestyle na oge 15:49.59 na ọlaọcha na ụmụ nwanyị 800 mita freestyle. Friis sonyere na ụmụ nwanyị 400 mita freestyle wee rute na ngwụcha. O mechara bụrụ onye nke ise na oge 4:04.68, nke bụ ndekọ ọhụrụ Nordic.