You think stock car racing is just a Sunday job....

    Kurt Busch has been lobbing more than a few mortars lately. Here he checked out the real stuff at Quantico Marine Corps Base. (Photo: Getty Images for NASCAR)
   
   

   By Mike Mulhern
   mikemulhern.net

   It's not easy being a stock car racer. It's more than just a Sunday job….
   
   

   
    Hey, Brad Keselowski, watch out. Looks like you're in the middle of a three-wide. (Photo: Getty Images for NASCAR)
   

   
    Tony Stewart, feeding the 11,000 pound elephant in the room. Better have a heckava lot of peanuts (Photo: Getty Images for NASCAR)
   

   
   Trevor Bayne gets an easier job, dishing out ice cream at Ghirardelli Squarein San Francisco (Photo: Getty Images for NASCAR)
   

   
   Elliott Sadler flew to Montreal to celebrate his birthday while promoting the summer NASCAR stop, with track boss François Dumontier. (Photo: Getty Images for NASCAR)

   
   Johnny Sauter, promoting Dover International Speedway, with a meet-and-greet at Oriole Park at Camden Yards (Photo: Getty Images for NASCAR)
   

   
   Greg Biffle hosts a school-day walk around Martinsville Speedway (Photo: Getty Images for NASCAR)
   

   
   Juan Pablo Montoya pits his plane against California rivals at LA's Auto Club Speedway (Photo: Getty Images for NASCAR)
   

   
    Drop the rock: A little hockey action here, for Brad Keselowski and new Daytona boss Joie Chitwood (Photo: Getty Images for NASCAR)
   

   
   And the ultimate PR adventure, Carl Edwards leaping off Las Vegas' Stratosphere (Photo: Getty Images for NASCAR)