 Riner akahwina menduru yake yechipiri yegoridhe yeEuropean ku2011 ChampionshipsmuIstanbul, kuTurkey. Akakunda Nodor Metreveli, Emil Tahirov naZohar Asaf kuti vakunde Pool A yemakwikwi e100kg vasati vakunda Estonian Martin Padar mumasemifainari uye Barna Bor weHungary mumutambo wekupedzisira kuti vakunde zita. Pa2011 World Judo Championships muParis Riner akahwina menduru yegoridhe muvarume 100 kg chikamu, achikunda Tölzer weGerman mumutambo wekupedzisira. Mugumisiro wacho wakareva kuti Riner akava murume wokutanga wenguva dzose weJudooka kukunda mazita mashanu enyika. Akakunda menduru yake yechitanhatu yegoridhe yeWorld Championship sechikamu chechikwata cheFrance chakakunda mutambo wechikwata. 