Gan Ching Hwee in action during the women's 400m freestyle final at the 14th Singapore National Swimming Championships 2018. She touched home at 4:20.64 to finish first. (Photo 1 © Stefanus Ian/Red Sports)

Gan Ching Hwee in action during the women’s 400m freestyle final at the 14th Singapore National Swimming Championships 2018. She touched home at 4:20.64 to finish first. (Photo 7 © Stefanus Ian/Red Sports)