DUBAI: Masville Elementary School-Parañaque’s Marc Byan Dula shone as the country finished with a 14-gold, 12-silver and two-bronze medal haul in the opening day of the 2018 Hamilton Aquatics Winter Long Course Swimming Championships being held at the Hamilton Aquatics Center here.

Dula, the reigning Philippine Swimming League (PSL) Male Swimmer of the Year, made his presence felt in the boys’ 11-year division by winning four gold medals against taller and older rivals.