The writers are drawing obvious parallels between Mu being out of shape now just a few weeks before USAs and Rono running 15:xx 5ks before breaking the WR later that season
Absolutely worth a read if you haven't yet, one of the stories that got me into the sport: https://www.letsrun.com/news/2020/04/when-henry-rono-went-from-1540-to-a-1306-world-record-in-two-months/