Quah Ting Wen limbering up before one of her 50m butterfly races at the 14th Singapore National Swimming Championships 2018. She came in first in the final with a time of 27.20s. (Photo 1 © Stefanus Ian/Red Sports)

Quah Ting Wen limbering up before one of her 50m butterfly races at the 14th Singapore National Swimming Championships 2018. She came in first in the final with a time of 27.20s. (Photo 17 © Stefanus Ian/Red Sports)