So, after reading all the spoilers, speculations and seeing the pictures, not to mention what my gut is telling me...
The Bell Tower is done at dawn not twilight (gut instinct). It is a roadblock. Brian and Erika get behind and stay behind.
In a general task, they go to the windmill, put on costumes, ride their bikes to the strong man task where they take turns until their team beats the strongman to receive their next clue. DETOUR clue that is.
The detour is Dancing or Golfing and once done, pitstop is at a campground?
It's a non-elimination leg and Brian and Erika are most likely last to the pitstop.
Based on pictures & video, Trotters and Gary & Matt do the dancing task, Sam & dan, Meg & Cheyne do the golfing task. I have a feeling Tiff and Mare will also dance, Brian and Erika? Hummmm After the day Erika is having, it's anyone's guess. LOL
I may or may not be right. Guess we will find out tonight!
Good Job detectives!