Katie Ledecky of the United States destroyed the field in the 800 metres freestyle on Friday and broke the world record to complete a rare Olympic swimming treble.
Ledecky led from the start to clock eight minutes, 4.79 seconds, beating her previous mark of 8:06.68 set in Austin, Texas in January.
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Britain’s Jazz Carlin won her second silver medal in 8:16.17, and Boglarka Kapas of Hungary took the bronze.
Ledecky celebrates winning the women’s 800m freestyle final. Photo: EPA
Ledecky, defending Olympic champion at the distance, added to her golds earlier in the week in the 200 and 400 freestyle and the 4x200 freestyle relay, plus a silver in the 4x100 relay.
The only previous woman to win the 200, 400 and 800 freestyle at the same Games was American Debbie Meyer in 1968.
