Mezue ahịrịokwu na-esonụ: Dittmer nwetara ọlaọcha na ihe omume C-1 500 m na
2007 ICF Canoe Sprint World Championships na Duisburg. Ọ gara n'ihu ịsọ mpi na 2008 Summer Olympics na Beijing, mana enwetaghị ihe nrite na nke ọ bụla n'ime ihe omume C-1.