- Who
- Fundacja Kasi Dulnik
- What
- 51:03:22 hour(s):minute(s):second(s)
- Where
- Poland (Warszawa)
- When
The longest marathon playing futsal is 51 hr 3 min 22 sec, and was achieved by Fundacja Kasi Dulnik (Poland), in Warszawa, Mazowieckie, Poland, on 9 December 2018.
The previous record was beaten by over an hour.