Drag Reduction System
A driver-adjustable rear wing that reduces drag to boost overtaking, used in Formula One since 2011 and still in use today.
The drag reduction system (DRS) is a driver-adjustable rear wing used in motor racing to reduce aerodynamic drag, increase top speed, and promote overtaking. In Formula One, it has been used since its introduction in 2011 and remains in use as of the current season. The first driver to use DRS in a race was Lewis Hamilton (or another driver depending on the specific race), and the system has not been removed or replaced for the 2026 season; no such regulation change has been officially confirmed.
- Regulation Origin
- FIA Formula 1 Regulations
- Introduction Year
- 2011
- Mechanism Type
- Movable Rear Wing Flap
- Primary Function
- Overtaking Assistance via Drag Reduction
- Activation Condition
- Within One Second of Leading Car
- Red Bull Status
- Core Aerodynamic Strategy Element
- Design Influence
- Adrian Newey's Chassis Philosophy
Lore & Background
DRS was introduced in Formula One in 2011 as an exception to the ban on moving parts affecting aerodynamics. It was also used in Formula Renault 3.5 (2012–2017), Deutsche Tourenwagen Masters (since 2013), GP2/FIA Formula 2 (since 2015), and GP3/FIA Formula 3 (since 2017). The Nissan DeltaWing used an adjustable wing at the 2012 24 Hours of Le Mans with free usage. The system's effectiveness varies by track and car, with estimated speed increases of 10–12 km/h (FIA) or 4–5 km/h (racecar-engineering.com).
In Their Own Story
The air hums with the scream of the V6 turbo hybrid engine as the car approaches the braking zone at Monza. Inside the cockpit, the driver's hand hovers over the switch. The dashboard light blinks green: DRS available. With a flick, the rear wing element snaps open like a shark's fin against the wind. Drag vanishes instantly; speed surges. The rival car ahead shrinks in the mirrors as the straight-line advantage takes hold, a fleeting moment of pure velocity before the brakes bite and the wing slams shut for the corner.
Reader's Guide
In Formula One, DRS could only be activated after two racing laps (2011–2023) or one racing lap (from 2024) after a race start or safety car restart. It requires the pursuing car to be within one second of the car ahead at a detection point, and activation is limited to designated DRS zones. The defending driver cannot use DRS unless within one second of another car. The system is deactivated when the driver releases the button or uses the brakes, and cannot be used in dangerous conditions (e.g., rain).
Did You Know?
- DRS has been used in Formula One since its introduction in 2011 and remains in use as of the current season.
- Lewis Hamilton (or another driver depending on the specific race) was the first driver to use DRS in Formula One.
- No driver has been confirmed as the last to use DRS, and no specific last successful DRS overtake has been recorded.
- The McLaren P1 was the first road car to incorporate a DRS-style rear wing.
- A third DRS zone was added at several circuits during the 2018 and 2019 seasons, and a fourth zone was added in Singapore in 2024.
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