Calli Hauger-Thackery is a 2024 Olympian, 2024 European Half Marathon bronze medalist, and the second-fastest British female marathoner of all time. She joins C Tolle Run following major victories at the Honolulu Marathon and, most recently, the 2026 Chevron Houston Marathon. In this episode, we dive deep into Calli’s journey, from her early love of running to her collegiate career at the University of New Mexico, her professional running career, and how she’s now paying it forward by coaching the next generation of runners. Calli shares how she made the leap to the professional ranks, met her husband, ran her first marathon, and built the momentum that has defined the past few years of her career. We also explore the highs and lows that come with elite competition and life beyond the sport. It’s an honest, inspiring conversation that covers the moments, mindset, and milestones that shaped one of the best distance runners in the world.