The T1Determined Podcast

The conversation of Type-1 Diabetes and Endurance. Redefining what is possible at the intersection of Type 1 Diabetes, human physiology, and extreme endurance. Welcome to The T1Determined Podcast, the definitive audio space exploring how elite athletes, adventurers, and medical pioneers conquer the world's most grueling physical challenges while managing Type 1 Diabetes (T1D). Hosted by T1D endurance athlete and advocate Joseph Anthony Marcello, this podcast dismantles the historic limitations placed on the diabetes community by merging raw, unfiltered human storytelling with clinical insight. Each episode features deep-dive conversations with ultra-endurance icons—from athletes who have run across continents and through the Sahara, to mountaineers summiting the world's highest peaks. Alongside these extraordinary individuals, we bring in leading endocrinologists, sports dietitians, and researchers to break down the complex science of managing a chronic autoimmune condition under extre