The 2000 Race of a Thousand Years was an endurance race and the final round of the 2000 American Le Mans Series. It was run on the Adelaide Street Circuit in Australia on New Year's Eve, 31 December 2000. The race was run on the full 3.780 km (2.349 mi) Grand Prix circuit used by Formula One for the Australian Grand Prix between 1985–1995, rather than the shorter 3.219 km (2.001 mi) Supercars version of the circuit used since 1999. The Race of a Thousand Years was intended to be run for 1000 kilometres but was stopped short due to time constraints, two hours before midnight, after completing 850 kilometres.

The 2000 American Le Mans Series was the second running of the IMSA American Le Mans Series, and overall the 30th season of an IMSA GT Championship, dating back to the 1971 edition. It was a series for Le Mans Prototypes (LMP) and Grand Touring (GT) race cars divided into 3 classes: LMP, GTS, and GT. It began March 18, 2000 and ended December 31, 2000 after 12 races.