This is reported by TASS with reference to the national team.
Maria Kameneva, Evgenia Chikunova, Svetlana Chimrova and Arina Surkova will swim in the women's relay for the Russians.
The final will take place on August 1.
Start - 05:15 Moscow time.
Earlier it was reported that on the ninth day of the Tokyo Olympics, 27 sets of medals will be played.