Shamrai trained at the Iskra club and later at the Burevestnik sports society in Moscow. She began competing at the USSR Championships in 1950, where she placed eighth in the all-around. She was added to the team roster for the 1952 Summer Olympics, which was the first Olympic performance for Soviet athletes.
Shamrai trained at the Iskra club and later at the Burevestnik sports society in Moscow. She began competing in the USSR Championships in 1950, where she finished eighth in the all-around. She was included on the team roster for the 1952 Summer Olympics, which marked the first Olympic appearance for Soviet athletes.