Career
Daiene began to swim as a result of medical advice, at age six. She had rhinitis and sinusitis. Furthermore, she was in 4th place in the 100-metre butterfly.
In the 100-metre butterfly semifinal, Dias broke the South American record, with a time of 1:00.48.
In 2007 she was in a Physical Education University, at a private University in Vitória, where she earned a scholarship. Integrating national delegation that disputed the 2011 Pan American Games in Guadalajara she finished 10th on the 100-metre butterfly heats, not going to the final.
At the 2014 FINA World Swimming Championships (25 m) in Doha, Qatar, Dias finished 8th in the Women"s 100 metre butterfly and 12th in the Women"s 50 metre butterfly. Dias also swam the heats of the Women"s 4 × 50 metre medley relay, with a time of 1:47.20, South American record.
At the 2015 Pan American Games in Toronto, Canada, Dias finished 5th in the 100 metre butterfly.
At the 2015 World Aquatics Championships in Kazan, she finished 9th in the 4 × 100 metre mixed medley relay, along with Felipe Lima, Daynara de Paula and João de Lucca, and 31th in the Women"s 100 metre butterfly.