Finnish commentator said there would be no chance to make the time limit but I don't think it will be a problem. Overall these stages which are easy in the beginning before heavy climbing in the other half aren't too bad.
I was in 2017, I was in the area where I was able to see riders going in two directions. Standing in the area where Avenue George V meets Champs-Elysées. Also a view to the intermediate sprint but there wasn't true sprint that year.
I tend to read five pages on each thread on one day, apart from race threads where I look entire one if it's interesting.
I'm currently 70 pages behind in Pogacar thread.
Seeing that three stages is probably most likely, I would think something like this.
Stage 1 - GD in Edinburgh or Glasgow, hilltop finish
Stage 2 - flat stage, maybe ending in Liverpool
Stage 3 - hilly stage around Wales