Lim Yu Zhe of Nan Hua High School and Chai Jiacheng neck-and-neck coming into the final lap of the B division boys 1500m race. (Photo 1 © Stefanus Ian/Red Sports)

Lim Yu Zhe of Nan Hua High School and Chai Jiacheng neck-and-neck coming into the final lap of the B division boys’ 1500m race. (Photo 2 © Stefanus Ian/Red Sports)