I was mostly quoting for the last sentence, which seems to directly answer the GP's question. I agree that training facilities and such should certainly be included in that number. However, from a couple paragraphs down, it seems like the USOC interpretation might be a bit broader still:
> The reason there’s a large disparity between what the USOC says it spends on “areas that support athletes” and what the USOC actually pays athletes, Blackmun explained, is because the USOC includes the salaries of many of its employees who work with athletes or raise money for the organization in the larger figure.
> The reason there’s a large disparity between what the USOC says it spends on “areas that support athletes” and what the USOC actually pays athletes, Blackmun explained, is because the USOC includes the salaries of many of its employees who work with athletes or raise money for the organization in the larger figure.