Quah Jing Wen swimming the butterfly in her women's 13 and over 200m IM prelims at the 47th Singapore National Age Group Swimming Championships. (Photo © Soh Jun Wei/Red Sports)

Quah Jing Wen swimming the butterfly in her women’s 13 and over 200m IM heats at the 47th Singapore National Age Group Swimming Championships. (Photo 15 © Soh Jun Wei/Red Sports)