Vintage / Historic
Group 1. Vintage / Historic A, 1, 2 & 3.
Lap times under 1.45 at CTMP
Group 1 ran alone for practice, qualifying and races 1 to 3. For the feature race on Sunday, Group 1 was combined with Groups 2 and 3.
Group 2. Vintage / Historic 4. Lap times under 1.50 at CTMP.
Group 2 ran alone for practice on Friday. For qualifying, Saturday's 2 races and Sunday morning's race, Group 2 was combined with Group 3, and in the feature race Groups 1, 2 & 3 were combined.
Group 3. Vintage / Historic 5 & 6. Lap time over 1.50 at CTMP.
Group 3 ran alone for practice on Friday. For qualifying, Saturday's 2 races and Sunday morning's race, Group 3 was combined with Group 2. For the feature race, Groups 1, 2 & 3 were combined.
