Sporting Witness

In 2000, a Canadian diver became the first person to explore the underwater caves of a giant iceberg.Jill Heinerth was already renowned for her exploits mapping vast underground cave networks in Florida. But when a vast iceberg known as B-15 broke away from an ice shelf in Antarctica, Jill was given a unique challenge.Braving sub-zero temperatures and the treachery of constantly shifting ice, she became the first person to ever enter one of these caves - a historic milestone in diving. She spoke to Emily Finch in 2022. A Whistledown production.Eye-witness accounts brought to life by archive and testimony. Sporting Witness is for those fascinated by sporting history. We take you to the events that have shaped the sports world through the eyes of the people who were there. For nine minutes, you become a fan in the stands as we take you back in time to examine memorable victories and agonising defeats from all over the world. You’ll hear from people who have achieved sporting immortality, or those who were there