Easier to sell, maybe, but "you can't outrun your fork." is also a false statement, whereas the OP's isn't (so much - at least it's open for interpreation). You can outrun your fork.

run an hour on a treadmill and wipe it out with a single donut.

That's going to be have a pretty huge donut then :P (or I'd have to be running at a rather slow pace)