In his first season Barberá established himself as the most promising rider of the three and in  he broke through, with his first victory at Donington Park making him one of the youngest riders ever to win a Grand Prix.
The passage describes Barberá's early success in motorsports. His first season was successful, establishing him as the top rider among the three. In that year, he achieved a significant breakthrough by winning his first Grand Prix race at Donington Park, making him one of the youngest riders to achieve this feat.