That trademark winning smile is back. Seven years since pole vaulter Eliza McCartney won a bronze medal at the Olympics, the 26 year old's launched a comeback to the sport she loves. Plagued with injuries it's been a rocky road but she was determined not to give up. Incredibly, it meant a year of learning how to walk again. Her patience paid off with a qualification to the World Championships in Hungary. The next goal, the Paris Olympics 2024. In a full and honest conversation, she talks about how she's a wildly different athlete now from when she won that Olympic medal.