I'm talking about, 'it's about to get ugly, 'I might die, 'this is going to be longer than I've ever ran and it's going to 'go down fast! It might have been in a marathon training program or maybe you were 'feeling it that weekend. Or maybe you just wanted to see how long you could run.
I did some 25 mile runs to see what it was like to try the marathon. They were brutal, especially the second half.
What do you got?