Armand Dhilawala Mohan of Raffles Institution attained a timing of 4:41.48, just 0.02s behind that of Dave's. Finishing third in 4:45.74 was Samuel Lim of Anglo-Chinese School (Independent).
Neck-and-neck in the final 10 metres, Thiruben's sprint garnered enough momentum to propel him ahead of Singapore Sports School's Raushan, edging the latter out to the gold medal by a mere four hundredths of a second.
Teammates Muhamad Nurshahilman (#109) and Gabriel Tan (#101) completed the podium sweep for Singapore Sports School, as they finished in 55.29 and 55.44 seconds respectively.
With the victory, defending champions St. Andrew's Secondary set up a rematch in the final against Anglo-Chinese School (Independent).
HCI's Eric Yee (#570) bested his previous record of 48.79 metres, which was set last year.
On his final attempt and bid to defend his title, the Secondary 4 student at RI mustered his remaining strength to power the shot to a distance of 15.60 metres to top the field.
Despite registering a 3.65 metre leap alongside Yeo Teng Wei (#238), RI's Josh Lee (#292) had to settle for second place due to a count back.
Cepheaus Chee (#146), Dylan Wong (#151) and Adlan Syaddad (#145) swept the podium for Singapore Sports School.
