Evolução das médias horárias
| Velocidade (Km/h) | Ano | Nº | Pilotos | Carro | Km | Média (Km/h) |
|---|---|---|---|---|---|---|
| 80 - 90 | 1924 | 8 | John F. Duff/Frank Clément | Bentley 3-Litre | 2077.340 | 86.555 |
| 90 - 100 | 1927 | 3 | J. Dudley Benjafield/Sammy Davis | Bentley 3 Litre 'Old Number 7' | 2369.807 | 98.740 |
| 100 - 110 | 1926 | 6 | Robert Bloch/André Rossignol | Lorraine-Dietrich B3-6 | 2552.414 | 106.350 |
| 110 - 120 | 1929 | 1 | Woolf Barnato/Tim Birkin | Bentley Speed Six | 2843.830 | 118.492 |
| 120 - 130 | 1931 | 16 | Earl Howe/Tim Birkin | Alfa Romeo 8C 2300 | 3017.654 | 125.735 |
| 130 - 140 | 1939 | 1 | Jean-Pierre Wimille/Pierre Veyron | Bugatti T 57 C "Tank" | 3354.760 | 139.781 |
| 140 - 150 | 1950 | 5 | Louis Rosier/Jean-Louis Rosier | Talbot Lago T 26C GS | 3465.120 | 144.380 |
| 150 - 160 | 1952 | 21 | Hermann Lang/Fritz Riess | Mercedes-Benz 300 SL | 3733.800 | 155.575 |
| 160 - 170 | 1954 | 4 | José Froilan Gonzalez/Maurice Trintignant | Ferrari 375 Plus | 4061.150 | 169.215 |
| 170 - 180 | 1960 | 11 | Olivier Gendebien/Paul Frère | Ferrari 250 TR/60 | 4217.527 | 175.730 |
| 180 - 190 | 1961 | 10 | Olivier Gendebien/Phil Hill | Ferrari 250 TRI/61 | 4476.580 | 186.527 |
| 190 - 200 | 1972 | 15 | Henri Pescarolo/Graham Hill | Matra MS 670 | 4961.343 | 195.472 |
| 200 - 210 | 2000 | 8 | Frank Biela/Tom Kristensen/Emanuele Pirro | Audi R 8 R-2000 | 5007.999 | 208.666 |
| 210 - 220 | 1989 | 63 | Jochen Mass/Stanley Dickens/Manoel Reuter | Sauber C 9 | 5265.115 | 219.990 |
| 220 - 230 | 2010 | 9 | Mike Rockenfeller/Timo Bernhard/Romain Dumas | Audi R15+ TDI | 5410.713 | 225.228 |
