American swimmer Katie Ledecky rewrote the record books after winning the 800m freestyle event at the World Championships for a seventh consecutive time - something that's never been done in a single swimming event.
Available to UK users only.
American swimmer Katie Ledecky rewrote the record books after winning the 800m freestyle event at the World Championships for a seventh consecutive time - something that's never been done in a single swimming event.
Available to UK users only.