Thiruben Thana Rajan ran 47.91s in the 400m heats of the IAAF World U18 Championships to set a new national under-18 record, pending ratification from Singapore Athletics. The National Junior College student's time eclipsed Ng Chin Hui's old mark of 47.97s set in 2011. It also saw him rank joint-12th overall to qualify for the semi-finals, happening on July 13, 11.45pm Singapore time.