Elizabeth Khoo finished fourth in the women's 100m backstroke with a time of 1:05.46 on the first day of the 13th Singapore National Swimming Championship. (Photo © Stefanus Ian/Red Sports)

Elizabeth Khoo finished fourth in the women’s 100m backstroke with a time of 1:05.46 on the first day of the 13th Singapore National Swimming Championships. (Photo 13 © Stefanus Ian/Red Sports)