Jeff Altenburg - Career and Success:

Season   Series / Class Standing Team / Car / Races
2006 GT Grand-Am Sports Car Series, Class GT 37.
Speedsource, Mazda RX-8 GT
(1 of 13 races)
2003 GT Grand-Am Sports Car Series, Class GT
GT American LeMans Series, Class GTS 20.
  GrandAm Motorola Cup, 13.
2002 GT American LeMans Series, Class GTS 41.
2001 GT Grand-Am Sports Car Series, Class GTS 36.
GT Grand-Am Sports Car Series, Class GT 109.
GT American LeMans Series, Class GTS 10.
GT American LeMans Series, Class GT 68.
  GrandAm Series, GTS-34. (one race), GT-107. (one race)
2000 GT Grand-Am Sports Car Series, Class GTU
GT Grand-Am Sports Car Series, Class GTO 36.
  GrandAm Series, GTO-37. (one race)
  GrandAm Motorola Cup, GS-72. (Pontiac, one race)
1999   GrandAm Motorola Cup, Compact-29. (Mazda, one race)

Legend:

Intermediate standings during the current season are in italics.

Wins and Top6-Point-Positions are marked bold.

When racing in several series in a season the chronologically later participation is always on top.