Mark Lee (#53) anchors ACS(I) to gold in the A Div boys' 4x400m relay final. (Photo 1 © Iman Hashim/Red Sports)

Mark Lee (#53) anchors ACS(I) to gold in the A Div boys’ 4x400m relay final, clocking an unofficial 48.3s split. (Photo 55 © Iman Hashim/Red Sports)