<prompt> Qedela umusho olandelayo: UJohn Lavers Bartram 3 Juni 1925 20 Novemba 2014 wayengumgijimi wase-Australia owaqhudelana kuma-Olimpiki asehlobo ka-1948 emamitha ayi-100, amamitha ayi-400 kanye  <response>: 4 × 100 metres relay. 