TheGenerator says:
... You can be in good shape, but still suck at long distance jumping or the monkey bars.
Yes, those examples are specific enough that they would call for Athletics to be included. As might a hard forced march and such things, but I foresee problems with other times STR or DEX or END are being applied which imply athletic endeavours but the character should not be penalised for not having it at 0, but might also want to add any pluses they have.
It looks like it may be too indeterminately defined and too widely applicable. I have not run this game before, and this may be a non-issue, it just came to mind during that discussion. We can see how it goes.