WThe 12 Hours of Sebring is an annual motorsport endurance race for sports cars held at Sebring International Raceway, on the site of the former Hendricks Army Airfield World War II air base in Sebring, Florida, US. The event is the second round of the WeatherTech SportsCar Championship and in the past has been a round of the now defunct World Sportscar Championship, IMSA GT Championship and American Le Mans Series. In 2012, the race was the opening event of the FIA World Endurance Championship.
WThe 3rd Grand Prix, 12 Hours of Sebring, was the inaugural round of the 1953 World Sportscar Championship and was held at the Sebring International Raceway, on 8 March 1953.
WThe 1956 Florida International Grand Prix of Endurance powered by Amoco took place on 24 March, on the Sebring International Raceway,. It was the second round of the F.I.A. World Sports Car Championship. For the sixth running of the event, was a sign to many in the automotive community that this race had become North America's premier sports car race, and from an international standpoint second only to the 24 Hours of Le Mans.
WThe 1957 12-Hour Florida International Grand Prix of Endurance for The Amoco Trophy took place on 23 March, on the Sebring International Raceway,. It was the second round of the F.I.A. World Sports Car Championship. This was sixth running of the 12-hour race, and with the growing popularity of sports car racing in post World War II America, the event was finally coming into its own since its creation in 1952.
WThe 1958 12-Hour Florida International Grand Prix of Endurance for the Amoco Trophy took place on 22 March, on the Sebring International Raceway,. It was the second round of the F.I.A. World Sports Car Championship, which was running to new regulations introduced at the beginning of the season. The most influential of these regulations changes would be the 3.0 litre engine size limit. This was seventh running of the 12-hour race.
WThe 1959 12-Hour Florida International Grand Prix of Endurance for the Amoco Trophy was a motor race for sportscars, staged on 21 March at the Sebring International Raceway, Florida, United States. It was the opening round of the 1959 World Sportscar Championship and was the eighth running of the 12 Hours of Sebring.
WThe Tenth Annual Sebring International Grand Prix of Endurance for the Amoco Trophy took place on 26 March 1960, on the Sebring International Raceway,. It was the second round of the F.I.A. World Sports Car Championship. This was also the second round of the F.I.A. GT Cup.
WThe Sebring 12-Hour Florida International Grand Prix of Endurance for the Alitalia Group took place on 25 March 1961, on the Sebring International Raceway,. It was the opening round of the F.I.A. World Sports Car Championship. This was also the second round of the F.I.A. GT Cup.
WThe 1970 12 Hours of Sebring was an endurance race held at the 5.2 mile (8.3 km) Sebring International Raceway, Sebring, Florida, United States on March 21, 1970. It was the twentieth running of the endurance classic and the second round of the 1970 World Sportscar Championship season.
WThe 12 Hours of Sebring Grand Prix of Endurance, was the third round of the 1989 IMSA GT Championship and was held at the Sebring International Raceway, on March 18, 1989. Victory overall went to the No. 83 Electramotive Engineering Nissan GTP ZX-Turbo driven by Chip Robinson, Geoff Brabham, and Arie Luyendyk.
WThe Nissan Present the 38th Annual 12 Hours of Sebring International Grand Prix of Endurance, was the third round of both the 1990 IMSA GT Championship season and was held at the Sebring International Raceway, on 17 March 1991.
WThe Nissan Present the 39th Annual 12 Hours of Sebring International Grand Prix of Endurance, was the third round of both the 1991 Camel GT Championship and Exxon Supreme GT Series and was held at the Sebring International Raceway, on 16 March.
WThe Camel 12 Hours of Sebring, was the third round of the 1993 IMSA GT Championship and was held at the Sebring International Raceway, on March 20, 1993. Victory overall went to the No. 99 All American Racers Eagle MkIII driven by Juan Manuel Fangio II and Andy Wallace.
WThe 44th Superflo 12 Hours of Sebring presented by Aurora was an endurance racing sports car event held at Sebring International Raceway from March 13–16, 1996. The race served as the second round of the 1996 IMSA GT Championship.
WThe 1998 Superflo Superflo 12 Hours of Sebring was the 46th running of the 12 Hours of Sebring. It also served as the inaugural round of the 1998 IMSA GT Championship season. It took place at Sebring International Raceway, Florida, on March 22, 1998.
WThe 1999 Exxon Superflo 12 Hours of Sebring was the 47th running of the 12 Hours of Sebring. It also served as the first event in the new American Le Mans Series, which had replaced the IMSA GT Championship as the International Motor Sports Association's premiere series. It took place at Sebring International Raceway, Florida, on March 20, 1999.
WThe 2000 Exxon Superflo 12 Hours of Sebring was the 48th running of the 12 Hours of Sebring as well as the opening round of the 2000 American Le Mans Series season. It took place at Sebring International Raceway, Florida, on March 18, 2000. This was the first time ever the 12 Hours was covered flag-to-flag on television with Speedvision doing the honors.
WThe 2005 12 Hours of Sebring was the 53rd running of this event, and took place on March 19, 2005. The race was sponsored by Mobil 1 and was the opening race of the 2005 American Le Mans Series season run by IMSA.
WThe 2006 12 Hours of Sebring was the 54th running of this event, and took place on March 18, 2006. The race was sponsored by Mobil 1 and was the opening race of the 2006 American Le Mans Series season run by IMSA.
WThe 2007 Mobil 1 12 Hours of Sebring was the 55th running of this event and the opening round of the 2007 American Le Mans Series season. It took place on March 17, 2007.
WThe 2008 Mobil 1 12 Hours of Sebring presented by Fresh from Florida was the 56th running of this event and the opening round of the 2008 American Le Mans Series season. It took place at Sebring International Raceway, Florida on March 15, 2008. Porsche was able to defeat Audi, marking the first loss for Audi at Sebring since 1999, while Porsche marks its first overall win at Sebring since 1988, the 20th anniversary since its last win.
WThe 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.
WThe 58th Mobil 1 12 Hours of Sebring presented by Fresh from Florida was the 2010 running of the 12 Hours of Sebring and the opening round of the 2010 American Le Mans Series season. It took place at the Sebring International Raceway, Sebring, Florida on March 20, 2010. The race featured the debut of the Le Mans Prototype Challenge category for spec racing.
WThe 59th Mobil 1 12 Hours of Sebring presented by Fresh from Florida was held at Sebring International Raceway on March 19, 2011. It was the opening round of the 2011 American Le Mans Series season and the 2011 Intercontinental Le Mans Cup.
WThe 60th Annual Mobil 1 Twelve Hours of Sebring was the 60th running of the 12 Hours of Sebring, an auto race held at the Sebring International Raceway from 15–17 March 2012. The race served as the opening round for both the inaugural FIA World Endurance Championship and American Le Mans Series seasons. The field of 64 entries was divided into nine classes: five from the American Le Mans Series and four from the World Endurance Championship.
WThe 61st Mobil 1 12 Hours of Sebring was an endurance sports car race held on March 16, 2013 at the Sebring International Raceway in Florida, United States. It was the last edition under the American Le Mans Series rules, marking the last year for the P1/LMP1 class at Sebring. The 2014 event was raced under the United SportsCar Racing brand.
WThe 62nd Mobil 1 12 Hours of Sebring fueled by Fresh from Florida was an endurance sports car racing event held at Sebring International Raceway near Sebring, Florida from 13–15 March 2014. The race was the second round of the inaugural Tudor United SportsCar Championship, replacing the former American Le Mans Series that previously held the 12 Hours since 1999, as well as the second round of the North American Endurance Cup. Daytona Prototypes were introduced to the race for the first time as part of the development of the United SportsCar Championship.
WThe 63rd Mobil 1 12 Hours of Sebring Fueled by Fresh from Florida was an endurance sports car racing event held at Sebring International Raceway from March 18-21st. The race was the second round of the 2015 United SportsCar Championship as well as the second of four events in the North American Endurance Cup.
WThe 64th Mobil 1 12 Hours of Sebring Fueled by Fresh from Florida was an endurance sports car racing event held at Sebring International Raceway near Sebring, Florida from 16-19 March 2016. The race was the second round of the 2016 WeatherTech SportsCar Championship, as well as the second round of the North American Endurance Cup. It was the final time that the original Daytona Prototypes participated in the race, as, for 2017, they were replaced with the new DPi cars.
WThe 65th Mobil 1 12 Hours of Sebring fueled by Fresh from Florida was an endurance sports car racing event held at Sebring International Raceway near Sebring, Florida from 16–18 March 2017. The race was the second round of the 2017 WeatherTech SportsCar Championship, as well as the second round of the North American Endurance Cup.
WThe 66th Mobil 1 12 Hours of Sebring Presented by Advance Auto Parts was an endurance sports car racing event held at Sebring International Raceway near Sebring, Florida from 15–17 March 2018. The race was the second round of the 2018 WeatherTech SportsCar Championship, as well as the second round of the North American Endurance Cup.
WThe 67th Mobil 1 Twelve Hours of Sebring Presented by Advance Auto Parts was an endurance sports car racing event held at Sebring International Raceway near Sebring, Florida from 14–16 March 2019. The race was the second round of the 2019 WeatherTech SportsCar Championship, as well as the second round of the Michelin Endurance Cup. Action Express Racing and Wayne Taylor Racing brought home a Cadillac 1-2-3 finish for the overall honours, with the win going to the #31 crew of Eric Curran, Felipe Nasr and Pipo Derani, who won the 12 Hour race for a third time in the previous four editions. the #911 Porsche GT Team won in the GTLM class over the #66 Ford GT of Chip Ganassi Racing, LMP2 was won by Performance Tech Motorsports, and the Grasser Racing Team took a second straight victory in the GTD class, winning over fellow Lamborghini GTD team Magnus Racing, who came 2nd in only their second start as a Lamborghini team.
WThe 2020 12 Hours of Sebring is a planned endurance sports car race set to be held at Sebring International Raceway near Sebring, Florida from 11–14 November 2020, after being postponed from its original date on 14-15 March 2020 due to the COVID-19 outbreak. The race is scheduled to be the final round of the 2020 WeatherTech SportsCar Championship, as well as the final round of the Michelin Endurance Cup. Action Express Racing are the defending overall winners of the 12-hour event.