2009 12 Hours of Sebring

The 2009 Mobil 1 12 Hours of Sebring was the 57th running of the 12 Hours of Sebring and the opening round of the 2009 American Le Mans Series season. It took place at the Sebring International Raceway, Florida on March 21, 2009. Three new cars made their debut at Sebring: Audi's diesel R15 TDI, Acura's first LMP1 entry the ARX-02a, and the return of the BMW M3 to the GT2 category. It was also the last time GT1 category raced at the event.

Tom Kristensen, Allan McNish, and Rinaldo Capello won, Audi's ninth Sebring victory in eleven attempts, and set several event records in the process. Peugeot fell 22 seconds short of the winning Audi. While Acura's LMP1s failed to survive for twelve hours, their lone LMP2 entry was the sole finisher in the category and earned Fernández Racing their first ALMS victory. The GT1 category was fought amongst only the two Corvette Racing cars, while GT2's battle of manufacturers was won by Ferrari and the Risi Competizione team.

For the start of the American Le Mans Series season, 28 cars were officially entered, with the bulk of the entries in LMP1 and GT2. The 2008 race winners, Penske Racing Porsche, did not return to defend their title. Four manufacturers were represented in LMP1, including a duo of R15 TDIs, Audi's latest diesel prototype, being entered by Joest Racing. Peugeot returned once more with their 908 HDi FAP, entering two cars compared to last year's single Sebring entry. Acura made their LMP1 debut with the new ARX-02a being run by de Ferran Motorsport and Highcroft Racing, while the remaining two entries were Lola-AERs entered by Intersport Racing and Autocon Motorsports. LMP2 consisted of two teams entering three cars, with Fernández Racing once again running an Acura and Dyson Racing partnering with Mazda for two Lola coupés.

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