(AP Photo/AJ Mast)
CHARLOTTE, N.C. (AP) Jimmie Johnson's alarm clock beeps at 4:30 a.m. His wife and two daughters are still sleeping. So are his fellow NASCAR drivers.
Johnson quietly slips out for a workout, the first of two on a typical day. Two hours later, he's in his kitchen, whipping up breakfast that will be ready when his girls get up for school.
"No chance my competition is getting up this early to put the work in," Johnson said in a text message to The Associated Press that showed the alarm set on his phone. "I will have 35 (cycling) miles in and my kids fed before the first one wakes up."