Guinness World Records - Officially Amazing

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For the record

  • Who: Ryan Lochte

  • What: Fastest swim short course 400 metres medley (male)

  • Where: United Arab Emirates

The fastest swim short course 400 metres medley (male) was 3 min 55.50 sec by Ryan Lochte (USA) in Dubai, UAE, on 16 December 2010.

 

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