lasse virens 10k pr was 27:38. This was the wr. I'm sure we all know about this race. Ya ya, he fell. Keep in mind he was a guy who couldn't have cared less about times, as he knew that unlike medals they are almost always washed away by history. If he tried to set the best record he possibly couldve (with more even splits) though, what do you think his career pr in the 10k wouldve been??? If he had run some races hall-esque?