[1] Great Britain's Rebecca Adlington broke one of the oldest world records in the book to claim a second Olympic gold, following her first triumph in the 400 m freestyle.
[2][3] Coming from sixth place in the 350-metre lap, Italy's Alessia Filippi registered a time of 8:20.23 for a silver medal.
Lotte Friis ended Denmark's 20-year medal drought in swimming to claim a bronze in 8:23.03, edging out Romania's Camelia Potec (8:23.03) on the final lap by eight-hundredths of a second.
China's Li Xuanxu finished fifth with a time of 8:26.34, and was followed in the sixth spot by Australia's Kylie Palmer in 8:26.39.
[2][4] Earlier in the prelims, Adlington established a new Olympic standard in a top-seeded time of 8:18.06 to cut down Brooke Bennett's 2000 record by a 1.59-second deficit.