- Who
- Hielke Klingeler
- What
- 72:00:00 hour(s):minute(s):second(s)
- Where
- Netherlands (Zuidlaren)
- When
The longest marathon blackjack dealing is 72 hours, achieved by Hielke Klingeler (Netherlands), in Zuidlaren, Netherlands, from 14 to 17 August 2023.
Hielke attempted this record to make himself known within the casino business, as well as to help raise money for charity.