Longest marathon lecture

According to Official Guinness Records,

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.

For a complete list of 2014 records, please visit 2014 Guinness Records in India.

Related Images

Other India records that might interest you:

• Longest single take television shot (live)
• Largest backwards walk
• Most translated short film (dubbed)
• Most translated short documentary (dubbed)
• Largest female motor sports event
• Largest cricket tournament
• Most dice caught in 30 seconds while blindfolded (team of two)
• Most people reading aloud simultaneously - single location