← Buckle Up: An Ultrarunning Conversation
Jan 15, 2026 · 51 min
In this episode of Buckle Up, Coach Brian and Mandy Mullen sit down with the renowned Dr. Jason Karp to discuss the intersection of sports science, culture, and technology. Dr. Karp takes us through his fascinating journey from a curious student of human anatomy to a leader in the running community. The conversation dives deep into his time coaching in Kenya, revealing how a culture rooted in community and hard work shapes world-class athletes. Dr. Karp also opens up about his latest innovation, RunKasi, an AI-powered coaching app designed to bring real-time, expert guidance to runners everywhere. From the nuances of women’s physiology to the future of remote coaching, this episode challenges the status quo of the running industry.