Brendan, I haven't been following Olympic athletics. For the moment road cycling: men's today and women tomorrow. I followed MTB, but track cycling is too arcane for me, though it's a UK specialty.
In athletics I'll mostly pay attention to middle/long distance. I see GB has two stars in Kerr and Hodgkinson. I just noticed men 10K finished but wasn't aware of it. Grant Fisher interrupted the East African parade to get bronze! Yared Nuguse has some chances in middle distance.
Sha'Carri is a great athlete and I hope she does well, but I'm old (and old-fashioned) and have trouble getting behind the really brash/flamboyant competitors.
Now that you've brought it up, I have to study the schedule!