Zak O’Sullivan stormed to his second win of the weekend at Donington Park, as the new champion completed his GB3 Championship in association with the BRDC campaign with great panache. Victory in race two was his seventh of the year, while Fortec’s Mikkel Grundtvig claimed his second triumph of 2021 in the final race of the season this afternoon. Carlin was also crowned as the inaugural Teams’ Champion, while the end of year prizes was handed out after the end of the event.