Haruki Murakami about his first 100k Ultra...:

"(...) Run this long and of course it's going to be exhausting. But at this point being tired wasn't a big issue. By this time exhaustion was the status quo. My muscles were no longer a seething Revolutionary Tribunal and seemed to have given up on complaining. Nobody pounded the table any more, nobody threw their cups. My muscles silently accepted this exhaustion now as a historical inevitability, an ineluctable outcome of the revolution. I had been transformed into a being on autopilot whose sole purpose was to rhythmically swing his arms back and forth, move his legs forward one step at a time. I didn't think about anything. I didn't feel anything. I realised, all of a sudden, that even physical pain had all but vanished. Or maybe it was shoved into some unseen corner, like some ugly furniture you can't get rid of. (...)"