april 20th, 2012. bristol, tennessee. the dragway best known as thunder valley hosts the american drag racing league's top sportsman's race. >> we go about 170 miles per hour in about 4.10 seconds. it's pretty crazy. >> meet 21-year-old drag race driver lizzie mussey. >> the feeling of sitting in the car, even warming it up, it's just, i love warming it up in the morning. just, i love it. >> and when she lines up to start -- >> we staged, we have two sets of golds up there. both amber lights come on and i have what is called a transbrake, a button, and you let go of it. once you see the amber light go off, you react real quick. and then you floor it and then it just launches on the last amber. >> lizzie's qualifying run