SPIELBERG, Austria — Formula One’s governing body has declared its first heat hazard of the season ahead of this weekend’s Austrian Grand Prix, triggering mandatory preparations for driver cooling systems as temperatures are forecast to climb above 31 degrees Celsius (88 degrees Fahrenheit) at the Red Bull Ring.
Race director Rui Marques confirmed the designation on Thursday after weather forecasts indicated prolonged high temperatures throughout the race weekend. Under Formula One regulations introduced in 2025, a declared heat hazard requires every team to install an approved driver cooling system, although competitors remain free to decide whether to use it during the race.
The regulation allows drivers to reject the cooling equipment, but doing so comes with a performance compromise. Teams that opt against using the system must instead carry ballast to compensate for the increase in the minimum vehicle weight that accompanies the installation of the cooling hardware.
The Austrian Grand Prix marks the first event this season to receive the designation. The protocol was first introduced during the 2025 campaign and previously activated at last year’s Singapore Grand Prix before being used again at the United States Grand Prix in Austin, Texas.
High cockpit temperatures have become an increasing concern in Formula One as climate conditions continue to challenge both drivers and teams, particularly at circuits where long periods of direct sunlight and limited airflow place additional physical demands on competitors.
Red Bull Racing driver Isack Hadjar said the most difficult moments occur before the race even begins.
“The moments where you have zero kilometers per hour in the car are definitely the worst,” the French rookie said. “When you’re actually driving, it’s not too bad. We have pretty good air conditioning with an open cockpit, so it’s manageable.”
Despite the availability of the FIA-approved cooling vest, Hadjar said he has no intention of wearing one because he finds the equipment uncomfortable and restrictive.
“It works really well for about 10 minutes, but after that it becomes warm again,” he said. “Honestly, I’ve never reached a point where I really needed the vest. If I ever need it, that probably means the car can’t cope with the conditions either. I think the car would give up before I do.”
McLaren championship contender Oscar Piastri took a different approach, revealing the extensive preparations he undertook to acclimatize to the anticipated conditions.
The Australian said he deliberately recreated extreme heat during his training sessions by exercising on a stationary bicycle inside a small bathroom equipped with portable heaters.
“You can definitely make yourself very uncomfortable doing that,” Piastri said with a smile. “I do it because it helps my performance, certainly not because I enjoy it.”
Piastri also expressed greater confidence in the effectiveness of the cooling equipment.
“I think if you get the cooling system working properly, it can help,” he said. “It’s not a complete game changer, but when I used it last year it definitely made a difference.”
Extreme heat has become an increasingly important factor in Formula One as the championship visits circuits across a wide range of climates during its global calendar. Drivers frequently experience cockpit temperatures significantly higher than ambient air temperatures, leading to dehydration, elevated heart rates and physical exhaustion during races that often last well over 90 minutes.
The FIA introduced the heat hazard protocol following growing concerns over driver safety after several competitors reported severe physical distress during races contested in extreme conditions.
Sunday’s Austrian Grand Prix will be the eighth round of the Formula One season, with 19-year-old Mercedes driver Kimi Antonelli arriving at Spielberg as the championship leader after an impressive opening half of the campaign.
As temperatures continue to rise across much of Europe, teams now face the additional challenge of balancing driver comfort, vehicle performance and race strategy under one of the hottest weekends of the Formula One season.
