Ramenofsky set the World record for the 400-Meter Freestyle three times in 1964, including the U.S. Olympic Swimming Trials, lowering the mark to 4:39.5. She also set the American record in the 220-Yard Freestyle that year, 2:17.3. The American swimmer won a silver medal in the 400-Meter Freestyle at the 1964 Olympic Games.

The 1961 Maccabiah Games were Ramenofsky’s introduction to international competition, winning a gold medal in the 400-Meter Freestyle Relay and a bronze in the 400-Meter Freestyle. She returned to Israel for the 1965 Maccabiah and won gold medals in both the 220-Meter and 400-Meter Freestyles.

Ramenofsky was named to the 1962, 1963, and 1964 All-America Women’s Amateur Athletic Union Swimming Teams.