And, if everyone starts at the same time on a time-limited task, then they will all finish at the same time, so recovering everyone on the runway could be a challenge.

I am not a big fan of the GP format. I'm one of the believers that the GP race is won (or lost) at the start.

The magnitude of the win is masked by the simplified scoring system, so there is no incentive to go faster than just enough to beat second place.

I think GP is best suited as a marketing tool, not a racing tool and that it can and should be used for local contests, but not for National and WGC level competitions.