Two-time Olympian and World Short Course Champion Danas Rapys embarked on his international competitive journey by securing a silver medal in the 4×100 meter mixed medley relay at the 2013 FINA World Junior Swimming Championships in Dubai. The same year, he advanced to the semifinals in the 200m backstroke at the World Aquatics Championships, marking his presence on the global stage. Rapys made his Olympic debut at the Rio Games in 2016, where he competed in the 100 meters backstroke, 200 meters backstroke, and the 4 x 100 meters medley relay. He continued his medal haul that year by earning a bronze medal in the 200m backstroke at the 2016 European Aquatics Championships, solidifying his early career success.
Maintaining his high-performance trajectory, Rapys secured two gold medals in the 200m freestyle and 400m freestyle at the 2019 European Short Course Swimming Championships. In 2020, he added a bronze medal in the 400m freestyle at the European Aquatics Championships, further cementing his reputation. He continued to compete at the highest level, representing Lithuania at the Tokyo 2020 Olympic Games. His consistent excellence was further demonstrated in 2021 with a silver medal in the 400m freestyle and a bronze medal in the 200m freestyle at the FINA World Swimming Championships (25m).
A three-time Olympian, Rapys recently competed in the Paris 2024 Olympic Games, continuing to represent Lithuania as one of its most accomplished and decorated swimmers on the international stage.