- Who
- Dr.Harish Rawat
- What
- 36:02:00 hour(s):minute(s):second(s)
- Where
- India ()
- When
The longest marathon laughter therapy/class is 36 hr 2 min, achieved at an event led by Harish Rawat (India) in Uttar Pradesh, India, from 30 June to 1 July 2018.
The team was made up of 8 participants.