Kyle Busch’s cause of death revealed

The family of legendary NASCAR driver Kyle Busch has confirmed his cause of death, just two days after the two-time Cup Series champion passed away suddenly at the age of 41.

Cause of Death Confirmed

In a statement released to various media outlets, the family revealed that Busch died due to sepsis resulting from severe pneumonia. The Mayo Clinic identifies sepsis as a dangerous condition triggered by an improper bodily response to infection, which can lead to catastrophic organ failure.

The family shared the following statement, as reported by The Athletic’s Jeff Gluck:

“The medical evaluation provided to the Busch Family concluded that severe pneumonia progressed into sepsis, resulting in rapid and overwhelming associated complications. The Family asks for continued understanding and privacy during this difficult time.”

A Sudden Loss

The racing world was stunned when NASCAR announced Thursday that Busch had been hospitalized for a “severe illness,” forcing him to withdraw from this weekend’s events at Charlotte Motor Speedway, including the Coca-Cola 600. Reports later confirmed he had fallen ill on Wednesday while using a racing simulator in Concord, N.C.

Concerns regarding Busch’s health emerged during the May 10 race at Watkins Glen, N.Y., when he requested medical attention for a lingering sinus cold. Remarkably, he returned to the track just six days before his passing, capturing a win at the Craftsman Truck Ecosave 200 at Dover (Del.) Motor Speedway on May 15.

A Storied Legacy

Busch leaves behind a legendary career highlighted by an all-series record of 239 NASCAR victories, including 63 Cup Series wins, which ranks ninth all-time. He secured Cup Series championships in 2015 and 2019.

Following his passing, Richard Childress Racing announced that the No. 8 car will be retired until 11-year-old Brexton Busch decides to claim the number for himself. Austin Hill is slated to pilot the No. 33 entry for RCR at this weekend's races in Charlotte.