Elite athlete typically have a genetic predisposition for high fat oxidation rates. https://scholar.google.com/scholar?q=rethinking+the+role+of+fat+oxidation&hl=en&as_sdt=0&as_vis=1&oi=scholart#d=gs_qabs&p=&u=%23p%3DVDIYeTCbFBoJ If they continue to consume high levels of carbohydrates they will still suffer the negative effects of excessive carbohydrates. Check out Alberto Salazar.

Elites athletes are still burning a large amount of fat. They usually have a genetic predisposition to have high fat oxidation rates. https://scholar.google.com/scholar?q=rethinking+the+role+of+fat+oxidation&hl=en&as_sdt=0&as_vis=1&oi=scholart#d=gs_qabs&p=&u=%23p%3DVDIYeTCbFBoJ

So what do y’all think about the Kenyans and Ethiopians consuming RIDICULOUS amounts of sugar daily (in their tea) and beating the pants off of everybody in middle-distance events?🤔