Athletes sound warning about extreme heat at Summer Olympics

A man leaps to hit a tennis ball on an Olympic court. Another man is crouching on the court in front of him.
New Zealand’s Marcus Daniell (TOP) and Michael Venus compete against USA’s Austin Krajicek and Tennys Sandgren during their Tokyo 2020 Olympic Games men’s doubles tennis match for the bronze medal at the Ariake Tennis Park in Tokyo on July 30th, 2021. | Photo by Vincenzo Pinto / AFP via Getty Images

Athletes are raising concerns about how extreme heat might affect the Summer Olympic Games in Paris, according to a new report. They’re worried that soaring temperatures pose serious health risks to competitors and spectators, not to mention their performance suffering.

Average temperatures during the months when the Summer Olympics are typically held have risen by more than 3 degrees Celsius (5.4 degrees Fahrenheit) since the last time the Games were held in Paris in 1924, according to the report. Every fraction of a degree of difference can have an impact, considering even a 0.5 degree Celsius rise in core body temperature can increase a person’s heartbeat up to 10 beats per minute. In a worst-case scenario, that can lead to heat...

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