In this insightful conversation, Bernadette Kellermann, a Sport Psychologist and PhD candidate at the University of Edinburgh, shares her unique journey from music to performance psychology. She discusses the Multi-Action Plan (MAP) Model and its application in understanding transitions between mental states in high-level judo performance. The exploration includes the interplay of mental dynamics during competition, the significance of emotional regulation, and the unique performance states athletes navigate. Bernadette highlights reflective practices that enhance athlete development, enriching our understanding of mental transitions in sport.