If Sienna McDonald continues with her tenacious approach to swimming, she'll rise through the ranks to represent Australia.
That's the opinion of her coach Nathan Doyle who has overseen the progress of the 13-year-old Hills swimmer who has been selected in the NSW Emerging Talent Squad.
"It's her biggest achievement so far," Doyle said.
"She was identified early on and was the first swimmer to make the NSW Age Development Squad, the NSW Team and the NSW Junior Sharks team.
"If she keeps going she can make an Australian team one day.
"That's the pathway she's on but there's still a long way to go."
McDonald was selected in the Emerging Talent Squad off the back of her impressive results at the National Age Championships where she picked up a silver medal in the 200-metre backstroke.
Doyle said while she's trying to master all four strokes, she's especially good in the discipline perfected by the likes of US star Ryan Lochte.
"She has natural talent for backstroke," Doyle said.
"She has a good feel for the water and has a consistent stroke."
But it's not just her natural ability that has made her a star.
"She has the guts to tough it out in the final stages of a race," Doyle said.
"She has the tenacity to keep on going when a lot of her competitors fall away.
"For her, it's all about the effort. She's the first one at the pool and last to leave most of the time and those efforts mean rewards.
"We're just making sure she prepares well and is well-grounded."