4- Maryana Naumova
Maryana Naumova is a Russian who proves that being one of the strongest kids in the world has nothing to do with being a boy. Naumova is the strongest teenage girl in the world. At 16 years old, Maryana has proven herself as a female powerlifter by winning competition after competition. She took part in the Arnold Classic at just 15 years old – a competition named for famed bodybuilder Arnold Schwarzenegger. It was during the Arnold Classic that she benched press an Painfully Ordinary 331lbs – more than many adults.