In 2005, Glock shifted his career to the United States, racing in the Champ Car World Series with Paul Gentilozzi's Rocketsports team.
En 2005, Glock levou a súa carreira aos Estados Unidos, competindo na Champ Car World Series co equipo Rocketsports de Paul Gentilozzi. serie Champ Car co equipo de Rocketsports (Paul Gentilozzi).