RILEY Dixon, Nick Hards, Alexander Bouris and Harrison Maddern train in an outdoor 25-metre pool at North Cronulla Surf Life Saving Club.
This is the pool where endless laps and countless hours of training have culminated in the quartet gaining selection for this week's 2015 Pacific School Games in Adelaide.
About 4000 students aged 10 to 19 from at least 12 countries will compete at the games in a host of sports.
The swim program started on Saturday and continues until Friday.
The boys are members of the NC Aquatic Club. Training and club meets are held in the James Peryman Memorial Swimming Pool at North Cronulla SLSC.
The boys flew to Adelaide on Friday, where they will represent the NSW Schools team.
Riley, 12, is in year 7 at Kirrawee High School; Nick, 15, is in year 10 at Kirrawee High School; Harrison, 14, is in year 8 at Cronulla High School; and Alexander, 15, is in year 9 at Caringbah High School.
The main events for Riley are the 200-metre individual medley and various distance relays.
Nick will swim the 1500-metre freestyle, 200-metre individual medley and various relays while Harrison's main swims are the 50-metre freestyle and various distance relays for NSW.
Alexander's main swims are the 50-metre backstroke and 50-metre breaststroke.
"This is the first time we are competing at the games," Riley said.
Nick said doing their best and enjoying the experience was his focus.
"We're all good mates," Nick said.
Alexander said they were excited about the competition.
"Backstroke and breaststroke races are my two strongest events," he said.
Harrison said the meet was about doing their best and trying to swim personal best times.
They were selected in May at the NSW All Schools Championships after progressing from their school, zone and regional swimming carnivals and the Combined High Schools and All Schools championships.
The boys are coached by Jen Noel and her dad, Terry Noel.
Jen Noel said their coaching philosophy was "all about the swimmers".
She said the NC Aquatic Club had 160 swimmers and all parents and members made a positive contribution.