It’s the processional way they follow each other round lap after lap, race after race.
You wait weeks for something to happen overtaking wise. It is undoubtedly the pinnacle of four-wheeled racing but my frock is not even ruffled by it now. I used to be a big fan in the Rosburg Sena Mansel days.
Now if you get the telly on at ten tonight (RACING) you will see

