twenty-five of the franchises were purchased for the 2005–06 a1 grand prix season. it began on 25 september 2005. the first race was the a1 grand prix of nations great britain at the brands hatch circuit in the united kingdom. the first season was planned for 12 rounds. eash round was two races in a weekend. the curitiba, brazil in january 2006 was cancelled. nelson piquet, jr. won the inaugural race of the series for a1 team brazil. a1 team france were crowned the first-ever a1 grand prix world champions with 172 points. switzerland were second with 121 points and a1 team great britain third with 97 points.