2026 Canadian Grand Prix - Car Presentation Submissions\n\nDocument 11\nDate: 22 May 2026\nFrom: The FIA Formula 1 Media Delegate\nTo: All Teams, All Officials\n\nThis document details the aerodynamic and cooling updates submitted by the teams for the 2026 Canadian Grand Prix.\n\n---\n\n### Summary of Submissions\n\n* McLaren Mastercard F1 Team: 7 updates submitted\n* Mercedes-AMG PETRONAS F1 Team: 8 updates submitted\n* Oracle Red Bull Racing: 4 updates submitted\n* Scuderia Ferrari HP: No updates submitted\n* Williams: 3 updates submitted\n* Visa Cash App Racing Bulls: 4 updates submitted\n* Aston Martin Aramco F1 Team: No updates submitted\n* HAAS: 5 updates submitted\n* Audi Revolut F1 Team: 4 updates submitted\n* BWT Alpine F1 Team: 2 updates submitted\n* Cadillac: 2 updates submitted\n\n---\n\n### Detailed Submissions\n\n#### McLaren Mastercard F1 Team\n| Component | Reason | Geometric Differences | Description |\n| :--- | :--- | :--- | :--- |\n| Front Wing | Performance - Flow Conditioning | New Front Wing | A new front wing design, aimed at better flow conditioning across the operating range resulting in improved aerodynamic load delivery. |\n| Coke/Engine Cover | Performance - Flow Conditioning | New Bodywork | A revised bodywork package featuring additional cooling exits aiming at improved aerodynamic flow conditioning towards the rear of the car. |\n| Cooling Louvres | Circuit specific - Cooling Range | Cooling Louvre Options | Multiple cooling louvre options are available to cover the full range of ambient temperatures expected at this and future events. |\n| Halo | Performance - Flow Conditioning | Halo Winglet | A new winglet on top of the halo, aiming at improved management of aerodynamic flow around the cockpit and central engine cover. |\n| Rear Wing Endplate | Performance - Local Load | Revised Rear Wing Endplate | Modification to the rear wing endplate geometry resulting in a change in load distribution and increase in local aerodynamic load. |\n| Rear Suspension | Performance - Flow Conditioning | Revised Rear Suspension Fairings | Small modification to the rear suspension fairings aimed at improved aerodynamic flow conditioning and load generation around the rear corner and diffuser. |\n| Floor Edge | Performance - Flow Conditioning | Revised Floor Edge Devices | Iteration on floor edge devices aimed at improved overall floor conditioning and aerodynamic load generation on the floor and diffuser. |\n\n#### Mercedes-AMG PETRONAS F1 Team\n| Component | Reason | Geometric Differences | Description |\n| :--- | :--- | :--- | :--- |\n| Front Wing | Performance - Flow Conditioning | Front wing outboard elements dropped in height and run into the footplate. | Running the front wing elements into the footplate, and adding strakes, results in more robust flow structures, improving flow to the rear of the car and gaining downforce. |\n| Front Wing Endplate | Performance - Flow Conditioning | Front wing endplate and footplate adjusted; footplate stakes added; diveplane camber adjusted. | Running the front wing elements into the footplate, and adding strakes, results in more robust flow structures, improving flow to the rear of the car and gaining downforce. |\n| Front Corner | Performance - Flow Conditioning | Front caketin upper lip camber reduced. | Reduced upper lip camber improves flow structure robustness throughout the operating envelope, improving the onset flow to the rear wing. |\n| Front Corner | Circuit specific - Cooling Range | Increased inlet and exit size. | Due to the high braking demands of Montreal, increasing the duct inlet and exit size increases mass flow feeding the discs resulting in more cooling. |\n| Floor Board | Performance - Local Load | Reprofiled elements | Reprofiled elements to improve local pressure distribution and reduce separations at the extremes of the operating envelope, resulting in increased local load. |\n| Floor Corner | Performance - Flow Conditioning | Additional slots | Re-optimisation of floor corner slot arrangement to both increase local load and to also improve flow into the diffuser and hence rear load. |\n| Floor Body | Performance - Local Load | Reprofiled diffuser roof | By reprofiling the diffuser roof and sidewall we improve the surface flow quality throughout the operating envelope and generate more local load. |\n| Rear Corner | Performance - Local Load | Rear winglet span and position redistribution | Chord and position of the rear caketin winglets re-optimised to improve local flow control and performance of the diffuser. |\n\n#### Oracle Red Bull Racing\n| Component | Reason | Geometric Differences | Description |\n| :--- | :--- | :--- | :--- |\n| Front Wing | Balance Range | Revised front wing flap elements | Both second and third front wing elements forming the flap assemblies are revised to shift the aerobalance range available for the upcoming circuits. |\n| Front Corner | Reliability | Revised brake duct exit geometry | The next two circuits on the calendar demand more brake assembly cooling and to offer this an enlarged exit duct has been produced to enhance the cooling. |\n| Floor | Performance - Local load | Bib edge trim and revised forward floor devices | To further optimise both the bib and forward floor devices, the former has a trim applied and the latter mildly increased camber resulting in the local load increasing. |\n| Engine Cover | Reliability | Cooling exit panel option | Given the forecast for Montreal, a closed radiator exit panel has been created with the louvre steps necessary for the race in Miami now closed. |\n\n#### Williams\n| Component | Reason | Geometric Differences | Description |\n| :--- | :--- | :--- | :--- |\n| Front Corner | Circuit specific - Cooling Range | A new FBD scoop geometry with a reprofiled exit area. | To suit the demands of the Gilles-Villeneuve circuit, a new FBD geometry will be introduced which offers an increased level of overall brake system cooling. |\n| Front Suspension | Performance - Flow Conditioning | Revised suspension cladding surfaces, with changes in chord and incidence across their span. | In concert with the updated FBD geometry, new suspension cladding will be available to improve the local interactions on the front corner and hence downstream across the rest of the car. |\n| Exhaust Tailpipe | Performance - Local Load | A repositioned exhaust tailpipe | Following on from an update introduced at the previous Miami GP, a further step on the exhaust system will be evaluated which offers an improved coupling with the surrounding aerodynamic components. |\n\n#### Visa Cash App Racing Bulls\n| Component | Reason | Geometric Differences | Description |\n| :--- | :--- | :--- | :--- |\n| Floor Body | Performance - Local Load | New Main Floor geometry | A new floor geometry resulting in an efficient downforce increase generated by the underbody of the car, across a range of operating conditions. |\n| Rear Corner | Performance - Flow Conditioning | Reprofiled Rear Corner devices | Working in conjunction with the floor update, the changes to the rear corner devices improve the flow management at the back of the car. |\n| Beam Wing | Performance - Local Load | Profile and incidence modifications | Supporting the changes made to the floor and around the exhaust, the Beam Wing changes help extract additional load from the rear wing assembly. |\n| Exhaust Tailpipe Bracket | Performance - Flow Conditioning | Reprofiled tailpipe bracket | The tailpipe bracket update improves the flow management around the centreline of the car as part of the surrounding changes on the Beam Wing and floor. |\n\n#### HAAS\n| Component | Reason | Geometric Differences | Description |\n| :--- | :--- | :--- | :--- |\n| Sidepod Inlet | Performance - Flow Conditioning | Revised Sidepod Inlet | The revised bodywork enables a more pronounced undercut along the lower surfaces, which, combined with increased top-surface downwash, channels higher-energy airflow towards the rear of the car, allowing the bespoke floor design to operate more efficiently. |\n| Coke/Engine Cover | Performance - Flow Conditioning | Undercut and top downwash | The revised bodywork enables a more pronounced undercut along the lower surfaces, which, combined with increased top-surface downwash, channels higher-energy airflow towards the rear of the car, allowing the bespoke floor design to operate more efficiently. |\n| Floor Body | Performance - Local Load | Revised floor geometry, with new floor board, new floor edge splits and a more aggressive diffuser promoting up- and side-wash | The new floor was developed in conjunction with the updated bodywork. Its geometries are optimised to guide higher-energy airflow through the floor volume, enhancing mass flow and stability, and promoting more efficient extraction and overall load generation. |\n| Rear Suspension | Performance - Flow Conditioning | Optimized suspension faring design | The updated floor and bodywork required a realignment of the suspension fairings, enabling improved flow conditioning in this region and extracting additional performance from the overall package. |\n| Rear Corner | Performance - Local Load | Revised winglet geometry on the inboard drum face | The modified incoming flow field required a realignment of the inboard drum devices to maintain their aerodynamic effectiveness and ensure consistent performance within the updated overall flow conditions. |\n\n#### Audi Revolut F1 Team\n| Component | Reason | Geometric Differences | Description |\n| :--- | :--- | :--- | :--- |\n| Front Corner | Circuit specific - Cooling Range | New front brake duct design. | Changes offer increased brake system cooling flow for the big braking zones of this specific track. |\n| Floor Diffuser Winglet | Performance - Local Load | Updated diffuser. | Diffuser geometry update with a further evolution of its shape aiming to increase aero load efficiently at the rear end. |\n| Cooling Louvres | Performance - Local Load | New sidepod louvres. | For this event new sidepod louvres are available to allow fitting more efficient cooling options. |\n| Rear Corner | Circuit specific - Cooling Range | New rear brake duct design. | Changes offer increased brake system cooling flow for the big braking zones of this specific track. |\n\n#### BWT Alpine F1 Team\n| Component | Reason | Geometric Differences | Description |\n| :--- | :--- | :--- | :--- |\n| Floor body | Performance - Local Load | New floor and board geometry | A completely new floor geometry is released at this event with the objective of increasing aerodynamic performance and efficiency across all operating conditions. |\n| Rear Wing | Performance - Local Load | Modified rear wing geometry | As part of our rear wing development programme, geometrical adjustments to our latest rear wing are introduced at this event. |\n\n#### Cadillac\n| Component | Reason | Geometric Differences | Description |\n| :--- | :--- | :--- | :--- |\n| Front Corner | Performance - Cooling | Updated leading edge lip, brake duct internals and exit geometry | The leading edge lip profile of the FBD has been revised to improve overall aerodynamic loading, whilst internal duct and exit geometry revisions increase brake cooling capacity. |\n| Diffuser | Performance - Local Load | Revised Diffuser winglet lower trim and hanger details | A lower edge trim has been applied to the Diffuser winglet cascade, and the hanger detail has been revised to increase local aerodynamic load at the rear of the car. |