Most rollovers in a racing car

Most rollovers in a racing car
Who
Graeme O'Brien
What
9 total number
Where
Australia (Calder Park,)
When
14 February 1998
The most rollovers in a racing car is nine, by stock car driver Graeme O'Brien when he was bumped from behind at Calder Park in Melbourne, Australia on 14 Feb 1998.