Tokyo Summer the worst in the history of Olympics Japan’s summers are hot, humid, and can be deadly. If records are being broken during events at the Olympics, Tokyo 2020 could also emerge with perhaps a record it wouldn’t have wanted.
Before the pandemic, heat stroke was the biggest risk to athletes for the Tokyo Olympics, but during the first week of the Games the heat has been compounded by humidity values ranging from 66 to 84%, making it feel much hotter, and limiting the body’s ability to cool down through sweat and evaporation.
“When you take into account not only the temperature, but also humidity, I would say that a Tokyo Summer is the worst in the history of Olympics,” says Makoto Yokohari, professor of environment and urban planning at the University of Tokyo and adviser to Tokyo 2020, who spoke to CNN before the Games started.
During the Olympics it’s often been 90 degrees or higher, but with humidity, it can feel like triple digits. More than 1,000 deaths were recorded from the country’s 2018 heatwave. This year, from July 19-25, more than 8,000 people have been hospitalized for possible heat stroke.
The International Olympic Committee has said it has been taking precautions to deal with the heat, supplying water and shade at venues. In a statement to CNN, it said that the health of athletes is “at the heart of our concerns.”
In 2019, organizers moved the marathon to Sapporo to avoid the oppressive weather in Tokyo. But athletes in other sports are already struggling under the Tokyo sun.
Last week, Russian archer Svetlana Gomboeva was treated for heat exhaustion when temperatures reached higher than 90 degrees that day. On Wednesday, Russian tennis player Daniil Medvedev was visibly struggling in the heat.
When the umpire asked him if he could continue playing, he responded: “I’m a fighter, I will finish the match, but I can die.” Later, he added that he “couldn’t breathe properly. I think that was the most humid day we have had so far.”
That same day, Spain’s Paula Badosa was forced to retire from her match with heatstroke and escorted off the court in a wheelchair.
“It was a shame to end my participation this way,” Badosa said in comments posted to Tokyo 2020. “The conditions have been demanding from day one, we tried to adapt as best as possible, but today the body has not resisted as needed.”
READ: Fields ‘is awake’ after BMX semifinals crash at the Olympics as Kimmann storms to historic gold
Daniil Medvedev asks who will take responsibility if he dies in Tokyo Olympics' heat and humidity
Daniil Medvedev asks who will take responsibility if he dies in Tokyo Olympics’ heat and humidity
A word of warning
Fellow tennis star Novak Djokovic described the playing conditions as “brutal” following his first round match.
“I’ve played tennis now professionally for 20 years, and I’ve never faced this kind of conditions in my entire life on a consecutive daily basis,” Djokovic said in comments posted by Tokyo 2020.
The International Tennis Federation has an emergency weather policy that provides athletes with two 10-minute breaks when temperatures reach dangerous levels and, on Wednesday, it announced that the matches would begin later in the day.
Natsue Koikawa knows the risk of competing in high heat all too well. A former professional runner, she passed out during a 1995 marathon in Japan and almost died.
“Heat stroke can happen to anyone and it’s a very common cause of death,” Koikawa warns.
It took her more than a year and a half to recover and she never returned to a major marathon again.
Now she is a professor and track coach and Juntendo University and researches the dangers of competing in the heat, something she says isn’t always easy for athletes to recognize.
“It may be extremely difficult for athletes to give up competing in the middle of the game because the athletes are representing their country on the stage of their dreams,” she said. “But I tell athletes that having the courage to quit is the best way to prevent heat stroke.”
Because of Covid-19 restrictions, most athletes have less time in Japan to acclimate to the weather before they compete. Athletes can only arrive in the Olympic Village five days before they compete and most have to leave within two days after.