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Longest marathon playing chess underwater (team of two)

Longest marathon playing chess underwater (team of two)
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Who
Olle Widell
What
25 hours, 14 minutes day(s):hour(s):minute(s)
Where
Sweden (Gothenburg)
When
03 June 2013

The longest marathon playing chess underwater by a team of two is 25 hours, 14 minutes and was achieved by Olle Widell and Edvin Bergtsson (both Sweden) in Gothenburg, Sweden from 3 to 4 June 2013.

The attempt began at 11:59 a.m. on 3 June 2013 and ended at 13:14 p.m. on 4 June 2013. There were a total of 3 rest breaks taken throughout the attempt.