I wasn't, but I can kinda see what you mean. For me, the entire movie was pretty much a climactic chase scene. By the time they're at the canyon again it's hard to imagine how they could have ramped it up even more than they did, the characters all had stuff to do and they had to keep up the pace.
Watched TRW and FR this morning in sequence and I'm grateful for the similarities in FR to all the tanker action and wistful that they didn't have the means to do some of the things in TRW they now can do and make look extremely cool. Not that TRW's action isn't great as is. I mean they managed it without the aid of cable erasures and composites.