Jack Sims, a 9-year-old from Kennewick who can hold a plank longer than every other kid his age in the entire world. His ...

Jack Sims isn’t one to turn down a challenge. Even if his opponents are gravity, time and his own body’s endurance. The ...

Add Yahoo as a preferred source to see more of our stories on Google. A 58-year-old grandmother has been recognized by the Guinness World Records for breaking the record for the longest time held in ...

After winning a school planking contest, Jack Sims of Kennewick set his sights on the world record — and broke it by 10 ...

A grandmother just broke the Guinness World Record for the longest time in an abdominal plank position for a female. DonnaJean Wilde is a 58-year-old mom of 5 and grandmother of 12 from Alberta, ...

DonnaJean Wilde, 59, holds Guinness World Records for the longest plank and most push-ups by a woman. She can plank for 4.5 hours and do 1,575 push-ups in an hour. She shared tips on how to get and ...

A 62-year-old former Marine reclaimed a world record he originally set in 2011 by holding an abdominal plank for an astonishing eight hours earlier this month, the Guinness Book of World Records ...

Add Yahoo as a preferred source to see more of our stories on Google. Pop singer Helene Fischer casually mentioned her plank record. Photo: Redferns, Getty Images, Collage: FITBOOK During a tour stop ...

A grandmother just broke the Guinness World Record for the longest time in an abdominal plank position for a female. DonnaJean Wilde is a 58-year-old mom of 5 and grandmother of 12 from Alberta, ...