Kyle Busch, driver of the #8 Lucas Oil Chevrolet, walks onstage during driver intros prior to the NASCAR Cup Series All-Star Race at Dover Motor Speedway in Dover, Del., on May 17, 2026. Meg Oliphant/Getty Images
NASCAR driver Kyle Busch’s official cause of death was revealed on May 23.
“The medical evaluation provided to the Busch Family concluded that severe pneumonia progressed into sepsis, resulting in rapid and overwhelming associated complications,” according to a statement released by the two-time NASCAR Cup Series champion’s family.
Jacki Thrapp is an Emmy® Award-winning journalist based in Nashville. She previously worked at The New York Post, Fox News Channel and has written a series of Off-Broadway musicals in NYC. Contact her at [email protected]