Kimi Antonelli secured the 2026 Formula 1 world championship at the Mexican Grand Prix, held on Sunday at the Autódromo Hermanos Rodríguez. The Mercedes driver’s third-place finish left him mathematically out of reach of his rivals and made him the youngest champion in the history of the category, at 20 years old. He surpassed Sebastian Vettel’s previous record of 23, set in 2010.
Antonelli’s title campaign included nine victories and consistent results throughout the season. His achievement came in only his second year in Formula 1 and can be explained by five key factors.
The first was Mercedes’ support from his karting days. Antonelli’s father, Marco, had competed in touring cars and helped guide his son through the early stages of his career. Financial difficulties had made racing a challenging path for the family, but Mercedes backed Antonelli when he was still competing in karting. He went on to win international WSK competitions, a series associated with drivers including Max Verstappen, Lewis Hamilton and Vettel.
That support allowed Antonelli to progress through the single-seater categories. He won the Italian Formula 4 championship with Prema and then the following round in FRECA, where he competed against Brazil’s Rafael Câmara. His early performances convinced Mercedes to accelerate his development and move him directly into Formula 2, skipping Formula 3.
The second decisive factor was Lewis Hamilton’s departure from Mercedes for Ferrari. The vacancy created an opportunity for Antonelli, and team principal Toto Wolff chose to promote him for the 2025 season. Without Hamilton’s exit, Antonelli might have spent another year in Formula 2 or worked as a test driver before reaching a full-time Formula 1 seat.
His first season was difficult. Antonelli crashed during the opening free practice session at Monza on the day Mercedes announced him as a race driver, and later endured a nine-race run without scoring points. George Russell was the stronger Mercedes driver for much of the year, while Antonelli experienced further frustration, including an emotional weekend at Spa-Francorchamps. His first podium eventually came in Canada, followed by a second-place finish at the São Paulo Grand Prix.
The ability to recover from that difficult period became the third element of his title run. Antonelli said the previous season had taught him to reset after setbacks, focus on the present and develop a different mindset. That mental growth helped him return to a higher level of performance in 2026.
The fourth factor was Mercedes’ advantage under the major regulatory changes introduced in 2026. The team began the season with a significant power-unit advantage and dominated the opening races. Antonelli converted that strength into victories in China, Japan, Miami, Canada, Monaco, Belgium, Italy, Madrid and Austin.
By the time Ferrari, McLaren and Red Bull improved their packages and returned to winning races, Antonelli had already built a substantial championship lead. The early-season points cushion allowed him to manage the title fight even as the competitive order became closer.
Finally, Antonelli won the internal battle at Mercedes. His aggressive braking style and ability to generate strong exits from corners gave him an advantage over Russell under the new technical rules. Although Russell improved after the opening race in Australia, Antonelli adapted more effectively and continued to challenge his teammate directly for victories.
The two Mercedes drivers even made contact while fighting for the win in Canada, reflecting the team’s decision to let them race freely. Antonelli also developed a productive partnership with race engineer Peter Bonnington, who had previously worked with Hamilton.
His victory at Monza was especially significant. Antonelli started from the back after an engine change but still won the race, reinforcing Russell’s belief that the Italian had become impossible to beat in Mercedes’ dominant first season under the new regulations. That performance helped complete Antonelli’s rise to the youngest world champion in Formula 1 history.
Sources: Globo Esporte.