Shamrai trained at the Iskra club and later at the Burevestnik sports society in Moscow.

Shamrai did not compete in the event finals, but was 8th in the all-around, contributing to the team's gold.

In December of the same year, Shamrai earned the silver medal on the floor exercise at the USSR Championships.

She earned one more gold medal on the balance beam, at the 1955 Nationals, and retired in 1956.

She worked as a coach at the Spartak club in Moscow and began judging at international gymnastics events in 1975.