This week on AtoZrunning: 

We take a look at the popular aphorism, do hard things, and reflect on the relationship between expectations, challenge, and running. We answer a listener question about feeling trashed after progression runs. In the world of running, a whole bunch of men fell in a Diamond League mile, and the only ones to apparently miss it were the race officials. Also, Keely Hodgkinson is setting the track ablaze. Will this finally be the year she wins a global title? 

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