The Daytona International Speedway is one of the most idiosyncratic race tracks in the world: a 3.56 km road course that combines the high NASCAR banking (31°) with a tight, technical infield. For decades the Rolex 24 at Daytona has opened the North American sports car season in late January — the first big 24-hour race of the year, ahead of Le Mans.
Circuit facts
- 3.56 km road course configuration, 12 corners
- Banking at a 31° angle — the tri-oval and Turns 1–2 are taken flat
- The Bus Stop (a chicane in the backstretch) and the slow infield separate the high-speed sections
- First endurance race in 1962 (Daytona Continental, 3 hours), first 24-hour race in 1966
- Run as the Rolex 24 since 1992
Banking and infield: two circuits in one
Daytona demands two contradictory qualities from a car. On the banking, what counts is aerodynamic stability at top speed and full load over long stretches — the cornering forces on the banking load tires, suspension and driver continuously. In the infield, what counts is mechanical grip, traction out of slow corners and a car that stays stable under braking.
A Daytona setup is always a compromise. Too much downforce costs top speed on the banking and therefore lap time over the long full-load sections. Too little downforce makes the infield nervous and the tires hot. The fast teams find the window in which the car sits calm on the banking and still turns in through the infield.
Night, cold and traffic
The Rolex 24 runs in late January — in Florida that means cool nights and big temperature swings between day and night. The track temperature drops sharply after dark, which shifts the tire window and the balance. Teams that manage the night cleanly often gain time that cannot be made up during the day.
Then there is the traffic: GTP, LMP2 and GT3 share a short lap. On the banking, classes with big speed differences meet; in the infield, the field bunches up. Overtaking has to be planned — a mistake on the banking is expensive at these speeds.
Why Daytona matters
- Season opener. The first big 24-hour race of the year, a benchmark for the form of the factory programs
- Manufacturer density. GTP/DPi have put Cadillac, Porsche, Acura, BMW and Lamborghini against each other
- A character of its own. No other 24-hour circuit combines high-speed banking with a tight infield
- History. From the Porsche 917 through the 935 era to the current prototypes
Marked on the 2026 calendar as the opener of the IMSA season.
All winners since 1962
The complete Daytona roll of honor with every overall winner from 1962 to 2025 — driver, car and team.