This will story will make you feel bad for eating pizza in bed: Milla Bizzotto is a 9-year-old girl who completed BattleFrog's Xtreme 24-hour Race, a dauntingly long obstacle course that was originally created for US Navy SEALs. Bizzotto weighs only 53 pounds, proving that big things come in small packages. She often uploads pictures and videos of her doing her badass thing to her Instagram page.

Sources: ABC News