Arny, an accomplished athlete from Czechia, has made significant strides in the world of Para swimming. He began his swimming journey in 2000 in Lipno nad Vltavou, Czechia. Initially, he took up the sport to aid his rehabilitation. His parents owned a boarding house with a 12.5m swimming pool, which became his training ground.

| Season | Event | Rank |
|---|---|---|
| 2016 | 50m Backstroke - S4 | G Gold |
| 2020 | 50m Backstroke - S4 | S Silver |
| 2008 | 50m Backstroke - S4 | 4 |
| 2016 | 50m Freestyle - S4 | 5 |
| 2012 | 50m Backstroke - S4 | 5 |
| 2012 | 50m Butterfly - S5 | 6 |
| 2020 | 50m Freestyle - S4 | 8 |
| 2016 | 100m Freestyle - S4 | 9 |
| 2016 | 50m Butterfly - S5 | 9 |
| 2012 | 200m Freestyle - S4 | 9 |
| 2012 | 100m Freestyle - S4 | 10 |
| 2012 | 50m Freestyle - S4 | 10 |
| 2008 | 50m Freestyle - S4 | 10 |
| 2020 | 50m Butterfly - S5 | 14 |
He was named Para Athlete of the Year by the Czech Paralympic Committee in 2016 and 2022. In 2019, he was listed among the Top 10 Para Athletes of the Year by the Czech Association of Athletes with an Impairment (CSTPS). Additionally, he was honoured as the 2013 Para Athlete of the Year in Ceske Budejovice.
Arny trains four times a week to maintain his competitive edge. He lives by the philosophy, "Water is my life," which reflects his deep connection to swimming. His dedication to the sport is evident through his rigorous training regimen and consistent performance.
Despite undergoing knee surgery, Arny has continued to excel in his sport. His initial foray into swimming was driven by a need for rehabilitation, which eventually led him to elite sports. This journey highlights his resilience and determination.
Looking ahead, Arny aims to win gold at the 2024 Paralympic Games in Paris. He also plans to stay involved with sports after retiring from competition. With a degree in management and marketing, he hopes to contribute to the sports environment in various capacities.
Outside of swimming, Arny enjoys downhill skiing, cycling, driving, watching movies, and listening to music. He speaks Czech, English, and German fluently. He lives with his partner Jana and continues to balance his personal interests with his professional commitments.
Arny studied finance at ISS Construction School in Ceske Budejovice. He furthered his education by studying economics at the Institute of Technology and Business in Ceske Budejovice. This educational background complements his athletic career and future ambitions.
Mexican Para swimmer Juan Ignacio Reyes serves as Arny's hero. This admiration underscores Arny's respect for fellow athletes who have made significant contributions to Para sports.
Arny's journey from rehabilitation to elite sports exemplifies dedication and perseverance. As he prepares for future competitions and plans for life beyond active sports, his story continues to inspire many within the athletic community.
Arny, an accomplished athlete from Czechia, has made significant strides in the world of Para swimming. He began his swimming journey in 2000 in Lipno nad Vltavou, Czechia. Initially, he took up the sport to aid his rehabilitation. His parents owned a boarding house with a 12.5m swimming pool, which became his training ground.