How long was the longest plank?
According to Guinness World Records, the longest time in an abdominal plank (male) is 8 hours, 1 minute. Mao Weidong, of China, set the record on May 14, 2016. The longest time in an abdominal plank (female) is 3 hours, 31 minutes. Maria Kalimera, of Cyprus, set the record on Sept. 28, 2015.
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