In the lead-up to the 1960 Summer Olympics, in Rome, Cuthbert set a world 220 yards and 200 metres record of 23.2 seconds in winning the Australian championships. At the Rome Games, she suffered from injury and was eliminated from the quarterfinals of the 100 metres. Subsequently, she retired from the sport of track and field.
In the lead-up to the 1960 Summer Olympics, in Rome Cuthbert set a world 220 yards and 200 metres record of 23.2 seconds in winnin,g the Australian championships. At the Rome Games, she suffered from injury and was eliminated from the quarterfinals of the 100 metres. Subsequently, she retired from the sport of track and field.