Diliman Preparatory School standouts Paula Carmela Cusing and Jenn Sermonia bannered the list of gold medalists in the opening day of the 150th Philippine Swimming League (PSL) National Series being held at the Lucena City Sports Complex in Quezon.

Cusing, a veteran of international competitions, posted a time record of three minutes and 1.56 seconds to win the girls’ 15-over 200m butterfly while Sermonia bagged the gold medal in the girls’ 10-year 50m butterfly with 35.47 seconds in the tournament supported by The Manila Times and MX3.