Leitzinger has driven for the Bentley factory team at Le Mans in 2001 and 2002, for the Cadillac team at Le Mans in 2000 and for Panoz at Le Mans in 1999.
Leitzinger participated in Le Mans with the Bentley factory team in 2001 and 2002, with the Cadillac team in 2000, and with Panoz in 1999.