Sorry if this might not make sense--I'm not exactly an expert in vidcap analysis. I just wanted to point out that these look like they're all part of the same challenge:A digging portion--Rick seen participating for Savaii.
A criss-crossing crawl-through:
Here we see Semhar going back into the crawl-through that her teammates just got out of:
Some hanging coconut obstacles:
I think they might have to go up the A-Frame to the coconut shooting stage. Albert and Brandon look like they're wearing the same thing here as in the obstacle course:
The net seems to be attached to a circular weight which will rise as the net is filled up. The stone border seen behind Jeff also seems consistent with the border in the digging stage (first picture) and the running shot (fifth picture, just behind Sophie) :