FIA declares heat hazard for United Grand Prix: Safety measures activated for sprint and race

 

The FIA has declared a heat hazard for the United States Grand Prix taking place between the 17^th and 19^th of October 2025. The announcement is made in accordance with Article 26.19 of the Sporting Regulations. Signalling that specific procedures or rules related to extreme heat are now in effect for the event. It serves as an official note to all teams and officials, formally informing them of the dangerous conditions and the activation of the relevant safety protocol.

The regulation was created following the 2023 Qatar Grand Prix, where a number of drivers suffered severely from extreme heat and humidity with some needing medical attention after the race in addition to Logan Sargeant being forced to retire due to sickness. The declaration is a signal that extreme conditions are not just uncomfortable and sporting regulations that mandate the use of a driver cooling system. All cars must be fitted with the hardware for the Driver Cooling System which includes components like a pump, plumbing and a thermal store.

According to official release: “In accordance with Article 26.19 of the sporting regulations having received a forecast from the official weather service predicting that the heat will be greater than 31°C at some time during the Sprint or Race at this event, a heat hazard is declared.”

Is a direct regulatory response to the traumatic events of the 2023 Qatar Grand Prix where multiple drivers suffered heat related illnesses. The FIA, as the governing body, has acknowledged that certain environmental conditions can push even elite athletes past physiological limit posing a danger not only to the driver but also to others. By setting a clear threshold, the FIA has formalised heat as a quantifiable safety risk, similar to rain or lightning which triggers mandatory safety measures removing the subjective element for the race director. The system provides a tangible benefit, turning the cockpit from a “sauna” into a more recognisable environment, particularly in high humidity races. Some drivers argue the vest is uncomfortable, restrictive or simply ineffective for an entire race with the coolant often warming up after 15 – 20 laps. They argue that accepting the 0.5 kg ballast to maintain maximum comfort and body mobility is worth the minimal weight penalty. The FIA is reportedly planning to make the vests mandatory from the 2026 season at declared events. This declaration pushes teams to rapidly develop and perfect the cooling vest technology now to ensure the system is comfortable as well as effective for the future, whether their drivers use it in 2025 or not.

Even with the cooling system, the race remains a significant physical challenge. Excessive heat can lead to fatigue, impaired concentration, slower reaction times and an increased risk of driver errors or late race mistakes. There is a technical risk associated with the cooling system itself. As some drivers noted in its debut, if the coolant warms up or the system fails mid-race, it could potentially act as a hindrance rather than a help, circulating hot fluid and accelerating the heat stress. This declaration serves as a traditional step toward full implementation. The cooling vests are currently expected to become mandatory for all drivers at declared events starting in the 2026 season eliminating the option of taking ballast instead. The US Grand Prix acts as crucial testing and data gathering ground for this future rule. The successful or unsuccessful mitigation of heat related incidents at the event will solidify the FIA’s new regulatory approach reinforcing its commitment to driver well being above absolute performance metrics.

📸 Imagery courtesy of The Race