Honey Badger (aka Martin Gruebele) Returns to UltraCycling Magazine – March 17th

Martin is a veteran of two Race Across America campaigns and the author the book, Mastering RAAM, and a new book, Mastering Deca. He brings his science to the art of Ultra-Athletes.
You can chat with Martin using the comments section of either Facebook or YouTube.
Mary Grace Blunt will drop by to share her excitement about the reborn Calvin’s Challenge.
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