Llopini, an athlete and student, has made significant strides in his career. Born on 26 August 2024, he balances his time between sports and education. He is currently studying Physical Education and speaks Basque, English, and Spanish. Llopini is also pursuing qualifications in football coaching and a degree in social integration.

| Season | Event | Rank |
|---|---|---|
| 2020 | 100m Backstroke - S8 | S Silver |
| 2020 | 4x100m Medley Relay - 34 Points | 4 |
| 2020 | 4x100m Freestyle Relay - 34 Points | 7 |
| 2020 | 400m Freestyle - S8 | 7 |
| 2016 | 100m Freestyle - S8 | 9 |
| 2016 | 200m Individual Medley - SM8 | 12 |
| 2016 | 50m Freestyle - S8 | 13 |
| 2020 | 100m Freestyle - S8 | 14 |
He trains for five hours a day under the guidance of his personal coach, Isaac Pousada. His dedication to the sport is evident in his rigorous training schedule. Llopini represents Konporta KE, a club based in San Sebastian, Spain.
Llopini has faced several injuries throughout his career. In June 2017, he underwent surgery on his right knee to treat damaged ligaments and a displaced patella, which kept him out of competition for 18 months. In May 2019, he sustained an arm injury that affected his preparation for the Spanish national championships.
Despite these setbacks, Llopini has achieved notable success. He won silver in the S8 100m backstroke at the 2020 Paralympic Games in Tokyo. In 2023, he clinched gold in the same event at the World Championships in Manchester, England. These victories are among his most memorable moments.
Llopini's accomplishments have earned him several accolades. He was named Para Athlete of the Year for 2023 by Diario AS and Male Para Athlete of the Year in Gipuzkoa province by Diario Vasco in 2021. In May 2021, he was honoured by the City Council of San Sebastian.
In February 2020, he received an award at the Effort Awards Gala held by dxtadaptado.com. Additionally, he was recognised as an Outstanding Athlete in San Sebastian in 2015.
Llopini cites Spanish Para swimmer Richard Oribe as his hero and credits his father as a significant influence on his career. His father, Luis Llopis, has served as a goalkeeping coach for Real Madrid and Real Sociedad. Llopini's personal philosophy is encapsulated in the phrase "Strong mind."
Looking ahead, Llopini aims to win a medal at the 2024 Paralympic Games in Paris. His commitment to training and continuous improvement underscores this ambition.
Llopini's journey from a young boy seeking therapy to an accomplished athlete is inspiring. His dedication to both sports and education highlights his multifaceted approach to life. As he continues to train and compete, Llopini remains focused on achieving his goals while honouring the influences that have shaped his career.
Llopini, an athlete and student, has made significant strides in his career. Born on 26 August 2024, he balances his time between sports and education. He is currently studying Physical Education and speaks Basque, English, and Spanish. Llopini is also pursuing qualifications in football coaching and a degree in social integration.