Siderenski competed for Israel at the 1964 Summer Olympics in Tokyo, Japan, at the age of 22 in Athletics. In the Women's 100 metres she came in 6th in Heat 3, with a time of 12.1 (missing advancing by 0.1 seconds), and in the Women's 200 metres she came in 4th in Heat 4, with a time of 24.6 (setting a new Israeli record), finishing in 21st place. When she competed in the Olympics she was 5-4.5 (165 cm) tall and weighed 126 lbs (57 kg).