Pedzisa mutsara unotevera: PaICF Canoe Sprint World Championships, Opalev akahwina menduru 20 pakati pa1997 na2007. Izvi zvinosanganisira ndarama gumi neimwe (C-1 200 m: 1999, 2002, 2003; C-1 500 m: 1998, 1999,
2001, 2002, 2006; C-1 1000 m: 1999, C-4 200 m: 2002, 2005), zvitanhatu zvesirivha (C-1 200 m: 2001, 2005, 2007; C-1 500 m: 2003, C-1 1000 m: 2002, C-4 1000 m: 1997), uye zvitatu zvendarira (C-1 500 m: 2005, C-1 1000 m: 2003, C-4 200 m: 2001). Opalev akahwinawo mimwe menduru miviri kumakwikwi epasi rose a2003 kuGainesville, Georgia, United States negoridhe mumakwikwi eC-4 200 m uye C-4 500 m, asi akabviswa menduru idzodzo apo mumwe wake Sergey Ulegin akakundikana kuongororwa doping.