Heaviest deadlift in 24 hours

According to Official Guinness Records,

The 24 hour deadlift record by an individual is 475,065 kg (1,047,337 lb 12 oz) by Ian Atkinson at Thorn Cross Young Offenders Institution, Warrington, UK on 15-16 November 2002. Ian is a prison officer at this YOI.
The previous record was:
The deadlift record by an individual is 455,677.5 kg (1,004,595 lb) by Steph Smit at Warren's Health Club, Pietermaritzburg, South Africa on 13-14 September 1997.

For a complete list of 2002 records, please visit 2002 Guinness Records in United Kingdom.

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