S4E1 // Ultra-Marathon Nutrition: Fueling Training, Recovery & Competition w/ Dr. Justin Roberts PhD




The Performance Nutrition Podcast show

Summary: In Season 4 Episode 1, Dr. Bubbs interviews Dr. Justin Roberts, PhD, to discuss his recent work contributing to the JISSN position stand on nutritional considerations for single-stage ultra-marathon training and racing. In this episode, Justin highlights the multiple factors influencing the daily caloric and specific protein requirements for ultra-marathoners. He shares his insights on the potential benefits of training with low-carb availability, the role of tryptophan in central fatigue (and potential beneficial effects of BCAA supplementation), race day nutrition strategies and how much to hydrate during competition. Justin also discusses his experience running ultra-marathons and provides practical tips for preparation.