A 20-year-old van driver was seriously injured in an accident on Autobahn 2.
His vehicle was jammed between two trucks near Magdeburg on Monday evening, the police said.
The 20-year-old had previously raced on the truck of a 61-year-old.
Another truck approached from behind and rammed the van.
Magdeburg - The seriously injured was taken to the hospital.
The highway was closed for about an hour for cleaning up.
dpa