Dear Distance Gurus: What Do You Think Of Hobbs Kessler Doubling Every Day?

In the year 2024, there are all sorts of advice columns all over the Internet, but we’ve never seen one for distance running. There is one now as Robert Johnson and John Kellogg are here to answer your questions in our Dear Distance Gurus (DDG) column.
*MB: Dear Distance Gurus: What Do You Think Of Hobbs Kessler Doubling Every Day? 

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