Although it is widely believed that he is an Aragonese rider, Grávalos is Navarrese by birth and grew up in La Rioja, where he lives: specifically in the small town of Cervera del Rio Alhama. In 2019, he joined the Kometa Cycling Team U23. Originally, however, he started swimming and it is from the pool that he dove into the world of triathlon. However, in his beginnings he started with swimming and it was from the pool where he immersed himself in the world of triathlon. With the Huesca La Magia club, as a cadet, he did some road races to end up, as a junior, competing with Asesores de Navarra. In his second year in the junior category was when cycling began to gain weight in his daily life and when Arturo decided to focus specifically on road cycling. In 2019, in his first year with the Foundation, he was forced to end the season earlier than expected due to a car accident in which he injured his left hand and had to undergo surgery. In 2020, his fourth season as an U23, he was able to compete as a stagiaire with the continental team at both the Tour de Hongrie and the Ordiziako Klasika, showing his great fighting spirit on both occasions. His best win? Gipuzkoa klasika. His favorite dish? Habas con Cordero. He spends his free time in his garden where he loves to grow all kinds of vegetables and his favorite places are La Rioja (Cervera del Río Alhama) where there is great wine, the mountains, and the country where he lives.
- 10º / Trofeo San José
- 2º / Spanish U23 Championship Route
- 2º / Stage 3 Vuelta a Zamora
- 6º / Spanish U23 Championship ITT
- 18º / Stage 3 Giro de Italia U23