Sarah and Coach Liz dive into data-interpretation with Coach Jen Harrison to help you understand what all those GPS numbers mean—and how they can be used to your training advantage. The coaching duo details: 

-what numbers they each keep an eye on while running, then post-workout;

-the can-you-trust-it accuracy of many stats; 

-whether the lifestyle data can be a help—or a hinderance; 

-how cadence is calculated—and what it can tell you; and,

-what those annoying “unproductive” or “inefficient” messages from your watch mean.  

Sarah and Liz talk dirty (read: about bidets!) in the intro; at 13:57, Coach Jen jumps unexpectedly into the conversation. 

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