On November 4 , 2017 , Mamun officially announced to the Russian press that Irina Viner has completed her competition career in rhythmic gymnastics . On November 4 , 2017 , Mamun officially announced to the Russian press that Irina Viner has completed her competitive career in rhythmic gymnastics .
Pada 4 November 2017, Mamun secara rasmi mengumumkan kepada akhbar Rusia bahawa Irina Viner telah menyelesaikan kerjaya pertandingannya dalam gimnastik berirama. Pada 4 November 2017, Mamun secara rasmi mengumumkan kepada akhbar Rusia bahawa Irina Viner telah menyelesaikan kerjaya kompetitifnya dalam gimnastik berirama.