Around 270,000 spectators are expected on the Berkshire track in five days.
Ascot is confident that it can cope with a week’s warm weather, the temperature is expected to reach 29C by Saturday.
“Thorbred racers in countries like Dubai are capable of walking in very hot temperatures in countries like Dubai,” said a course spokesman.
“To ensure their welfare here in Royal Escot, we provide them with lots of water and ice if necessary.
“We have days in more than 30C Royal escott and we have a dedicated team of people to help cool horses.”
With the plot to help with safety for runners and riders, the situations for the firm are well described.
The dress code of the course was first rested for the first time during the heatwave three years ago, but it is not expected to happen this week.