Constructor records
Most wins: Porsche: 19
Most consecutive wins: Porsche: 7 (1981–1987)
Most wins by team: Joest Racing: 13
Most class wins: 108 (Porsche)
Most 1–2 finishes: 12 Porsche
Most podiums: 54 (Porsche)
Most podium lockouts: 8 Porsche
Most participations without winning: 37, Chevrolet
Most participations without a podium: 37, Chevrolet
Most starts before first win: 20th start: Porsche, Toyota
Driver records
Most total wins: Tom Kristensen: 9
Most consecutive wins: Tom Kristensen: 6
Most podiums: 14, Tom Kristensen
Youngest winner: Alexander Wurz: 22 years, 91 days (1996)
Youngest on podium: 18 yrs, 133 days, Ricardo Rodriguez (2nd in 1960)
Youngest to start: 16 yrs 202 days, Matt McMurry (2014, finished)
Oldest winner: 47 years, 343 days (Luigi Chinetti, 1949)
Oldest driver to start: 75 yrs, 269 days: Dominique Bastien (2021, finished)
Oldest driver on podium: 55 yrs, 110 days, Mario Andretti (2nd in 1995)
Oldest driver on the podium by class: 68 yrs, 111 days, Jack Gerber (3rd in 2013, LMGTE-Am)
Lowest start position before win: 16th, Hans Herrmann and Richard Attwood, 1970
Most consecutive starts: 30, Henri Pescarolo (1970 – 1999)
Most time in the car during 24 hours: 24 hours (Edward Ramsden Hall, 1950)
Most time in the car during 24 hours for a winner: 23 h 15 min 17s (Louis Rosier, 1950)
Race records
Longest distance covered: 5410.713 km (397 laps, Audi R15+ TDI, 2010)
Most laps completed: 397 (1971, 2010)
Fastest lap in race: 3:17.297 (Mike Conway, Toyota TS050 Hybrid, 2019)
Smallest winning margin: 20 meters (1966)
Largest winning margin: 349,808 km (1927, Bentley / Salmson)
Highest average race speed by a winner: 225.228 km/h (140 mph), Audi R15+ TDI in 2010
Highest average lap speed (qualifying): 251.881 km/h (157 mph) (Kamui Kobayashi, Toyota TS050 Hybrid, 2017)
Highest average lap speed (Race): 248.628 km/h (154 mph, Mike Conway, Toyota TS050 Hybrid, 2019)
Highest top speed: 407 km/h (253 mph) (Roger Dorchy, WM P88-Peugeot, 1988)
Most cars in a single race: 61 (2019)
Fewest cars in a single race: 17 (1930)
Most finishers: 48 (2017)
Fewest finishers: 6 (1931)
Highest % of finishers: 90.9% (1923, 30 of 33)
Lowest % of finishers: 13.7% (1970, 7 of 51)
Most time behind the safety car: 5h 27min (2013)
Most safety cars in a race: 12 (2013)