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Posted: June 8, 2021 Read time: 6 Mins

Racing Marshals use flags to communicate critical information to inform racing drivers what action they must take when on circuit e.g. track conditions, hazards and penalty situations.  

It's imperative racing drivers know the meaning of each flag, as well as the different ways they are used. Understanding what each means with the action they are required to take, helps the sport to be safe.

FIA sanctioned racing flags are the most commonly used in both UK and International auto racing. Their meanings cover well-known championships such as Formula 1 and the FIA World Endurance Championship. The use of the Chequered Flag to signal the end of a session is common across most forms of motorsport. However, other Status or Penalty Flag meanings may differ from series to series. For example, in NASCAR and Indycar they use a black flag with a white saltire to indicate a driver is disqualified. In addition, the Blue Flag is not used in rally or rallycross racing series. 

The Association of Racing Drivers Schools (ARDS) test includes a written exam on Racing Flags.  This guide will help you prepare for your Competition License and/or give you more understanding about the sport.

Use the links below to skip to the section of interest:

History of Racing Flags

The first recorded use of undoubtedly the most famous racing flag - the iconic chequered flag - is a topic of debate. However, one of the earliest known, was at the 1906 Glidden Tours.

Created by the American Automobile Association (AAA), the promotional events aimed to make the automobile more relatable to the general public. The tours ran from 1902 - 1931 across the US and sometimes into Canada. The courses ran for several hundred miles and were split into timed sections. At each course 'checking station', a chequered flag was used to mark the location of the race officials, known as 'checkers'. The man behind this system was Sidney Waldon, an employee of the Packard Motor Car Company. The 1906 Glidden Tour was the first recorded use of the chequered flag to indicate the end of a race.

Sidney Waldon was also a member of the organisation committee of the Vanderbilt Cup Races. A successful road race that ran from 1904 - 1916, responsible for the Vanderbilt Cup - the first major trophy in American auto racing. The 1906 Vanderbilt Race in New York is one of the first pictures to capture the chequered flag being used to end a race.

Chequered or checkered flag being used 1906 Vanderbilt Cup Race New YorkNew York Vanderbilt Cup Race Finish Line 1906 | Source: Wikipedia

LED Flag Panels

Some major racing leagues, such as F1, now employ a marshalling system, replacing flags with LED Flag Panels.


The signals used on the flag panels are the same as traditional marshal circuit flags. Each marshall's post has a control unit operating the flag panel signals in their sector, allowing them to stay at safer distances from the action on track. The drivers also have a display screen on their steering wheel, with flag notifications. This ensures immediate knowledge, allowing fast reaction, potentially avoiding incidents and getting back on the pace once it is safe to do so.

F1 Marshalling System Control PanelEM Motorsport Marshalling System | Source: Reddit

UK Racing Flags

The following racing flags are used across all FIA-sanctioned championships such as F1 and the FIA World Endurance Championship. A demonstration of the flags and their signals is in the instructional video created by Motorsport UK for the 'Go Racing' ARDS Starter pack. Drivers are tested on their knowledge of these flags in the ARDS written exam.

STATUS/INFORMATIONAL FLAGS

National Flag

National Racing Flag UK MotorsportUsed to start the race when there are no start lights or there is a problem with them.

 


Green Flag

Green Racing FlagWaved: Normal racing applies at the end of a danger zone controlled by Yellow flags.

Also used to signal the start of a formation lap and shown at all posts during the first lap of each practice session.

 


Yellow Flag with Red Stripes

Yellow Racing Flag with Red StripesStationary: Warning slippery substances such as oil or water on the track ahead.

Waved: The slippery section is imminent.

 


Blue Flag

Blue Racing FlagStationary: Warning another competitor approaching.

Waved: Another competitor is trying to overtake – stay predictable and hold your line. 


White Flag

White Racing Flag

Waved: A slow moving vehicle is on this sector of the track, use extra caution.

Stationary: The slow moving vehicle is in the next sector.


Yellow Flag

Yellow Racing Flag

Single Waved: There is an incident on circuit. Slow down, gain full control of your vehicle. No overtaking.

Double Waved: Danger on imminent on track. Be prepared to change from your projected racing line or use evasive manoeuvres. No overtaking.


Red Flag

Red Racing FlagSession has been stopped due to a serious incident on track or poor weather.

Immediately proceed safely and slowly to the pits, or start line, as directed by the marshals.


Code-60 Flag

Code 60 Flag MotorsportAn alternative to a safety car used to neutralise a race.

 

Slow down to 60 km/h, maintaining this speed until the Green Flag signifies the race is underway again.


Chequered Flag

Chequered racing flagThe end of a session or race.

Slow down, no overtaking. Return to the pits.


INSTRUCTIONAL FLAGS

Shown alongside a driver number, these flags communicate directly to specific drivers.

Black & White Diagonal Flag

Black and White Diagonal Racing FlagUnsportsmanlike behaviour.

Warns a driver their behaviour is suspect and may receive a Black Flag on further reports. 


Black Flag with Orange Disc

Black Racing Flag with Orange CircleApparent mechanical failure or fire which they may not be aware of.

The driver must return to the pits as soon as possible. 


Black Flag

Black Racing FlagDriver must return to the pits immediately.

Report to the Clerk of the Course. A penalty of exclusion may be enforced. 


Racing Flag Flashcard Slides

To help you practice your Racing Flag knowledge before your ARDS test, here's a set of slide flashcards to test yourself with.

Racing Flag Signals & Meanings from CATDT
Many of our clients invest in training with CAT prior to taking their ARDS to give them more confidence on track. If you are interested in developing your racecraft with the UK's leading authority on dynamic driver coaching, please get in touch. We'd be happy to answer any questions.

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