She came home in a time of 4:45.06, smashing her personal best yet again.
The 21-year-old, who is originally from Lithuania but now lives and studies in Dublin, was moved up a place from 5th after another runner was disqualified.
Orla Comerford is through to tomorrow's final of the T13 100 metre heats as fastest loser.
She finished fourth with a personal best of 12.81 in her heat but admits she'll need to do better in the final.
Nicole Turner qualified for tonight's final of the S6 50 metre freestyle.
She finished second in her heat and seventh overall in 36.70.
Sean Baldwin failed to qualify for the final of the 10m prone Air Rifle, finishing 33rd out of 43 competitors.
