This article details the coaching journey of Caitríona Jennings to achieve a 100-mile world record, emphasizing her ‘amazing engine’ and capacity for pain. It highlights the dedication, training, and support systems required for elite performance. While focused on sports, the principles of achieving peak performance through rigorous training and strategic guidance are transferable. Investors might see parallels in how companies must meticulously plan and execute to achieve market leadership and sustained success.