Rekord imorgon!
The current record (current as at the date of this letter) is:
The longest time in an abdominal plank position is 19 min 58 sec and was achieved by Rob Dulieu (UK) on Stamford High Street, Stamford, UK, on 4 December 2010.
We wish you the best of luck in your record attempt and we look forward to hearing from you!
Yours sincerely,
Mike Janela
Guinness World Records
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