This week on AtoZrunning:

Olympic trials top 10 finisher Nathan Martin joins the show again to relay his amazing experience at the trials as well as recent journey leading him to it. 

We answer a listener question about VO2max and heart rate. 

In the world of running, USA and British indoor championships were impressive. 

Records continue falling. 

And another record-breaker is down for the count amidst scandal. 


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