- Penny Byrnes
- 40:30 hour(s):minute(s):second(s)
- Australia (Dysart)
The longest cooking marathon by an individual is 40 hrs 30 min and was achieved by Penny Byrnes (Australia) in Dysart, Queensland, Australia, from 14 to 15 October 2016.
Byrnes's attempt was linked with wanting to raise awareness and funds for the charity 'Smiling for Middy'.