Dealing with Discomfort w/ Betsy Saina

This week on AtoZrunning:

We talk with recent 25k champ Betsy Saina about dealing with discomfort. We also answer a listener question about training adaptations and advantages from heat. In the world of running, the Pre Classic was every bit as exciting as anticipated, from world records to massive rivalries. And from recent headlines, we talk about the performance implications of defecation. 

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