302. Polarization vs. Pyramid Marathon Training

In this episode of the Marathon Running Podcast , updates and expert insights to keep you informed on the latest in running and competitive sports. We sit down with Arj Thiruchelvam , performance coach at Performance Physique , to discuss a brand-new study from Nature Scientific Reports that used machine learning to compare polarized and pyramidal training. We ask Arj why some runners thrive on threshold work while o