- Arvind Mishra
- 139/42/56 hour(s):minute(s):second(s)
- India (Dehradun, Graphic Era University)
The longest lecture marathon lasted 139 hr 42 min 56 sec and was achieved by Arvind Mishra (India) at Graphic Era University, in Dehradun, India, from 1 to 7 March 2014. The lecture topic was on scientific computation.