“I am in the best shape of my life,” the woman said while speaking to Guinness World Records A 49-year-old grade school teacher danced for almost six days straight in order to break a Guinness World ...

Kate Douglass became the first American swimmer to break a 100m freestyle world record in 21 years, while Australian Kaylee McKeown and American Regan Smith each went under Smith’s 200m backstroke ...