It happened on March 17, in a business park in northwest Harris County.
In the video, you see a truck parked on what's described as a driveway into a business parking lot. Then, you see a car crash into the truck, pushing it, as a second car quickly drives by.
After the truck was struck, the sheriff says a 19-year-old pedestrian was hit. He was believed to be watching the race.
The sheriff said in a tweet after, that racing was expected to be a contributing factor.
Related: 19 people killed on Harris County roads in 4 days
The crash all unfolded in a matter of seconds right in front of Charles Hoelscher's business on Houston Oaks.
"That truck was sitting here and when that car hit him," said Charles Hoelscher, vice president of Hoelscher Weatherstrip, Mfg. Co.
Their office surveillance cameras captured the crash from several angles.
"You actually see the car hitting the truck and the young lad that was on the other side of the truck and being thrown by it," said Hoelscher.
The teen that was hit was rushed to the hospital. His family says he's still in the intensive care unit.
The driver of a damaged red Camaro was not hurt. The Harris County Sheriff's Office is still investigating.
If you have any information or video of the crash, investigators ask that you give them a call.
No charges have been filed.
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