I think he was looking around for the flag. That’s a big stadium and he probably he trouble locating where the medal ceremony was taking place. The look on his face seemed to suggest that he was wanting to find the flag and not biding his time in a fidgety manner so he could get back to his event.
Well, then, that makes sense.
Doing the right thing when no one is there
Doing the right thing when millions are watching on WW TV