How about this idea - form a rolling road block in the shape of a 'Z' as illustrated below, where each 'Z4' noted below is a car... our version of the Roman square, with the [Z4] in brackets being the pace & position car for the group.
If this is supposed to be a parade lap, then having a shape in the form of a group is going to deter overtakers, safety in numbers (pun intended) & maybe even more of an attention grabber
Version 1|
|---------------------------|
|---------------------------|
|----Z4----[Z4]----Z4----|
|---------------------------|
|---------------Z4---------|
|---------------------------|
|----------Z4 -------------|
|---------------------------|
|----Z4-----Z4-----Z4----|
|---------------------------|
|---------------------------|
Maybe the advanced class might consider this as well...
|---------------------------|
|---------------------------|
|----------------[Z4]------|
|---------------------------|
|----------Z4----Z4-------|
|---------------------------|
|----Z4-----Z4-----Z4----|
|---------------------------|
|-----------------Z4-------| |
|---------------------------|
|---------------------------|
Frigging nightmare to organise, though might look quite cool if we get the colours right... maybe even dedicated Coupe / Roadster 'squares'... endless possibilities