SWAN Hill's Isabel Baker has won herself a once-in-a-lifetime opportunity to join some of the fastest international motorsport drivers at the 2020 Formula 1 Australian Grand Prix.

The 10-year-old is one of 20 cadet and junior karting licence holders across Australia who have won the chance to join a driver on the grid before Sunday's race.

Formula 1 cars are the fastest regulated road-course rac...