Once upon a time someone mentioned the idea riding 600km without sleeping. #itseemedlikeagoodideaatthetime The end.
So turns out there is something to be said for specificity training. Therefore, if at first you don't succeed, dust yourself off and try again. And never stop learning.
The final PBP qualifier (the 300km) ended up being more of a mental battle than I thought it would be. But misery is a choice. And I have trained for toughness. Today I proved to myself, yet again, what I am capable of.