World Athletics president Lord Coe has mentioned championships might be moved to guard athletes from excessive warmth.
He voiced considerations over security and warned he envisaged the governing physique altering occasion places because of world warming.
Temperatures hit 32C on the World Athletics Championships in Oregon this week, and wildfires have struck Europe.
“I can see us being ready the place we begin a few of our endurance occasions,” mentioned Lord Coe.
“Possibly after we come to a few of our highway occasions, race walks and marathons we would want to have a look at how we separate them from championships and put them right into a extra benign setting.
“We’re not the one sport that has to cope with that. If our World Championships had been in London, you’d have been dealing with precisely the identical challenges.”
A warmth dome – when the environment traps warmth over an space – triggered dozens of deaths in Oregon and the part-suspension of the US Olympic trials final June as organisers moved to guard athletes and followers.
Circumstances have been much less excessive this 12 months however athletes have nonetheless struggled in intense warmth.
The UK noticed a file temperature of 40.3C on Wednesday, and heatwaves throughout Europe have led to a surge in emergencies together with fires.
Lord Coe criticised the targets set by many nations to scale back their greenhouse fuel emissions to internet zero by 2050, that means they are going to take as a lot of the climate-changing gases out of the environment as they put in.
“Local weather change is with us – it is not going to vanish,” he mentioned, including that occasions may transfer to earlier within the 12 months or the autumn and coincide with main metropolis marathons.
“Even a few of the extra risible targets which were set by governments aren’t going to make any distinction.
“We’ve to recognise that we might should do issues in our personal method to shield the athletes from warmth situations.”
The Worldwide Olympic Committee (IOC) moved the Tokyo Video games marathon and strolling occasions from the Japanese capital to the northern metropolis of Sapporo final 12 months due to fears over doubtlessly harmful temperatures, with many occasions rescheduled to early within the morning or later within the night to keep away from excessive temperatures.
Rivals spoke of the brutal conditions in the hottest ever Games, and key figures from main sporting organisations, together with the IOC, attended the COP26 summit to debate the worldwide response to local weather change in November.
A report backed by main athletes earlier than the Olympics warned that athletes and sports would be “impaired” as a part of the influence of local weather change.