Simplify the following text for a Grade 6 native English-speaking person.
Original: The race rotated between Silverstone , Aintree and Brands Hatch from 1955 to 1986 , but relocated permanently to Silverstone in 1987 .
Simplified: The race rotated between Silverstone , Aintree and Brands Hatch from 1955 to 1986 . In 1987 the rotation stopped and the race stayed at Silverstone .