Guillaume Millet is a researcher and athlete. He has contributed immensely to our understanding of ultramarathon performance.  Gui’s Twitter account : @kinesiologui Gui’s website: www.kinesiologui.com Gui’s lab: Inter-university Laboratory of Human Movement Biology www.libm.fr/en and www.actifs.org The names of the people who have worked with Gui on ultra studies: John Temesi, Vincent Martin, Léonard Féasson, Gianluca Vernillo, Thibault Besson, Jean-Benoit Morin, Laurent Gergelé, Grégoire Millet, Marlene Giandolini, Thomas Rupp, Pierrick Arnal, Nicolas Place, Jérémy Rossi, Pierre Samozino, Francis Degache, Samuel Vergès, Philippe Gimenez, Thomas Lapole, Paul Robach, Katja Tomazin, Pascal Edouard, Frederic, Sabater Pastor, Giorgio Varesco, Jerôme Koral, Audrey Parent, Diana Rimaud, Djahid Kennouche, Nicolas Royer, Callum Brownstin, Loic Espeit, Clément Foschia, Laurent Messonnier The presentation referenced at the beginning of the podcast Information on coaching- www.trainright.com Koop’s Social Media- Twitter/Instagram- @jasonkoop