The Historic IMSA GTP Series, launched by American Le Mans Series (ALMS) founder Don Panoz, ran events for historic Prototype sports cars in conjunction with three ALMS races 2001. The events are operated by Historic Sportscar Racing (HSR) as part of a new partnership with the ALMS.

The races will be held in conjunction with ALMS events at:

  • Sears Point Raceway - Sonoma, California (July 22)
  • Laguna Seca Raceway - Monterey, California (September 9)
  • Petit Le Mans at Road Atlanta (October 6)

Historic IMSA GTP Series races are one-hour timed events, with the races run on the same day as and just prior to the ALMS race. Practice and qualifying are held on days leading up to race day.

Below are images from the Historic IMSA GTP Series at Road Atlanta during the Petit Le Mans weekend.

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