Erasmus Ang, 16, swims in the 1500m freestyle event at the 47th Singapore National Age Group Swimming Championships. He finished sixth in the 15-17 age group with a timing of 17:00.54. (Photo 13 © Chua Kai Yun/Red Sports)

Erasmus Ang, 15, swimming in the 1500m freestyle event at the 47th Singapore National Age Group Swimming Championships. He finished sixth in the 15-17 year olds age group with a timing of 17:00.54, which was just short of his 16:59.09 personal best. (Photo 12 © Chua Kai Yun/Red Sports)