Aimee Cringle, a CrossFit athlete, is the UK's Fittest Woman for 2024. She's been using a ruck, which is a weighted backpack, to train for the 2024 CrossFit Games. Cringle's training regimen includes ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." I never expected to be a professional athlete when I was introduced to CrossFit in 2013. I played ...