> Where did I say “for the whole marathon”?

You didn't, which is exactly the point. It's a critical piece of information for evaluating the truth and relevance of your argument.

It was screamingly obvious from what I wrote.

You've been posting one bad take after another and you clearly know nothing whatsoever about distance running.

> You've been posting one bad take after another and you clearly know nothing whatsoever about distance running.

I was a distance runner.