Rosalee Ramer is the youngest female professional monster truck driver in the country. She is also a mechanical engineering student at Georgia Tech. The 19-year-old sophomore from Watsonville, Calif., has been around monster trucks since she was a toddler. ... Her truck weighs 10,000 pounds and features 66-inch tires.

How old is Rosalee Ramer?

Rosalee Ramer, 19, is the youngest female professional monster truck driver in the country.

How old is Brianna Mahon?

Twenty-nine-year-old Brianna Mahon has been participating in the sport for five years, and it's one that's taken her to nearly every state in the country and 15 countries around the world.