Nascar

The skinny: Landon Cassill drops 8 lbs during Brickyard 400

INDIANAPOLIS, IN - JULY 26: Landon Cassill, driver of the #40 Chevrolet, signs autographs for fans prior to the NASCAR Sprint Cup Series Crown Royal Presents the Jeff Kyle 400 at the Brickyard at Indianapolis Motor Speedway on July 26, 2015 in Indianapolis, Indiana. (Photo by Sean Gardner/NASCAR via Getty Images)

INDIANAPOLIS, IN - JULY 26: Landon Cassill, driver of the #40 Chevrolet, signs autographs for fans prior to the NASCAR Sprint Cup Series Crown Royal Presents the Jeff Kyle 400 at the Brickyard at Indianapolis Motor Speedway on July 26, 2015 in Indianapolis, Indiana. (Photo by Sean Gardner/NASCAR via Getty Images)

Imagine this. You hop in your car, drive 400 miles ... and drop 8 pounds from your body weight.

That's exactly what happened to Landon Cassill during Sunday's Brickyard 400 at Indianapolis Motor Speedway. Before the race, the driver of the No. 40 Chevrolet performed a "science experiment" to see how much weight he would lose.

Here are the results.

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