As a fan of endurance sports I'm usually a sucker for this sort of movie.
I tried to watch this last night with my wife...and turned it off about 35 minutes into it. She was ready to quit in 10 but stayed strong to humor me.
Now I didn't watch the whole thing, but from what I saw, I thought it was thoroughly unspectacular. The camera crew wasn't even present for the start? It seemed like 90% of it was going to be filmed in gas station snack isles, supermarkets, and roadside diners with the cyclists talking about how hard it was out there...and then in high drama the camera pans to dirty legs and glasses with mud splatter on them.
Disappointing, because I've read quite a bit about this race; I've found most blogs and trip reports on it to be far more interesting than this film was.