Longest time in an abdominal plank position (female)
Who
Maria Kalimera
What
3 hours, 31 minutes, 0 seconds hour(s):minute(s):second(s)
Where
Cyprus Paralimni
When

The longest time in an abdominal plank position (female) is 3 hours, 31 minutes and 0 seconds and was achieved by Maria Kalimera (Cyprus), in Paralimni, Cyprus, on 28 September 2015.

It took Maria about a years' practice until she decided to attempt the record.