Benjamin Schulte from Guam broke the men's 100 meter breast stroke record with a time of 1.04.62 seconds in the last heat.
The games record was 1.04.81 seconds.
Ryan Pini for PNG clocked 1.06.17 seconds in the same event and qualified for the finals also.
There were five swimming events completed today with the finals set for 7pm tonight.
Men's 50 meter backstroke, women's 100 meter freestyle, women's 400 meter individual medley, men's 100 meter breast stroke and men's 200 meter freestyle.
Meantime medal hopefuls for PNG are Ryan Pini in the men's 50 meter back stroke and 100 breast stroke.
Sam Seghers qualified the fastest in the men's 200 meter freestyle and and will be hoping to repeat his performance to get gold.
Two PNG girls also qualifying for the finals tonight are Anna Lisa Mopio Jane and Savannah Tketchenko in the women's 100 meter freestyle.
Other swimmers to watch out in the finals for females are Carolin Puamau, Matalio Buadromo from Fiji and Lara Grangeon from New Caledonia.
For the men Jagger Stephens from Guam, Kevin Calmettes and Julien- Pierre Goyetche from New Caledonia will be shinning for their country.