Career
Steinbeck was primarily a freestyle swimmer. Swimming the first leg of the four-swimmer relay, she combined with teammates Janice Murphy, Lynette Bell and Marion Smith for a time of 4:11.1, three tenths of a second behind the world-record-setting Canadians, and two tenths ahead of the third-place English team She also swam in the individual 220-yard backstroke, coming eighth in the event final.
She combined with Lynne Watson, Lyn McClements and Judy Playfair to register a silver medal in the 4×100-metre medley relay, trailing the Americans home by 1.7 seconds.
However, it was in Steinbeck"s freestyle anchor leg that American Susan Pedersen"s used her 59.4-second individual split to solidify the Americans" 1.7-second margin of victory. She was also part of the Australian team that came fourth in the women"s 4×100-metre freestyle relay.
Individually, she competed in the semifinals of the 100-metre freestyle, and the preliminary heats of the 200-metre freestyle.