Ka cika wannan jumla: Siderenski ya yi gasa a madadin Isra'ila a Wasannin Olympics na 1964 a Tokyo, Japan, yana da shekara 22 a Wasannin Wasanni. A cikin
Mata 100 mita ta zo a 6th a Heat 3, tare da lokacin 12.1 (rasa ci gaba da 0.1 seconds), kuma a cikin Mata 200 mita ta zo a 4th a Heat 4, tare da lokaci na 24.6 (sabon Isra'ila rikodin), kammala a 21st wuri. Lokacin da ta yi gasa a wasannin Olympics tana da tsayi 5-4.5 (165 cm) kuma tana da nauyin 126 lbs (57 kg).