A mother-son street race ended in tragedy in Southern California this week – with the 54-year-old mom dead and the 26-year-old son arrested on vehicular manslaughter and DUI charges, authorities said.

Their two vehicles crashed while trying to pass a third car they came upon during their race in San Bernardino around 10:15 Monday, the San Bernardino Sun reported.

ATLANTA POLICE ARREST DOZENS, IMPOUND EXOTIC CARS IN ILLEGAL STREET RACING CRACKDOWN

The mother’s vehicle rolled over, then struck a tree, a pipe and a light pole.

The driver, identified as Algetta Michelle Strother, was pronounced dead at the scene, according to the report.

Her passenger, an unidentified 21-year-old woman, was hospitalized with unspecified injuries, San Bernardino police spokesman Sgt. John Echevarria told the newspaper.

Strother had been driving a Chevrolet Tahoe SUV while the son, identified as Steven Kirk Strother Jr., was driving a Buick Century, police said.

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The two people in the third vehicle were not hurt, police said.