- Who
- Dennis Oscarsson, Claes Blixt
- What
- 27:00:00 hour(s):minute(s):second(s)
- Where
- Sweden (Uddebo)
- When
The longest marathon shaking hands is 27 hours, and was achieved by Claes Blixt and Dennis Oscarsson (both Sweden), in Uddebo, Västra Götaland, Sweden, from 22 to 23 April 2023.
The pair are the first holders of this title.