- Anssi K Laitinen
- 40:03:10 hour(s):minute(s):second(s)
- Finland (Kuopio)
The longest marathon playing accordion is 40 hrs 3 mins 10 secs, and was achieved by Anssi K Laitinen (Finland), in Kuopio, Finland, between 11 - 13 July 2018.
Anssi performed 610 different pieces, including Finnish as well as internationally popular music. He is a previous record holder for this title, achieving 31 hours and 25 minutes in 2010.