Toughest Olympics? Decathletes and heptathletes say probably

Damian Warner, of Canada douses himself in water as he celebrates after winning the gold medal in the decathlon at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo, Japan. (AP Photo/Francisco Seco)

Damian Warner, of Canada douses himself in water as he celebrates after winning the gold medal in the decathlon at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo, Japan. (AP Photo/Francisco Seco)

Kevin Mayer, of France, celebrates after his second place finish in the decathlon at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo. (AP Photo/Matthias Schrader)

Nafissatou Thiam, of Belgium, right, celebrates with Anouk Vetter, of Netherlands, silver, and Emma Oosterwegel, of Netherlands, left, bronze, after winning the gold medal in the heptathlon at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo, Japan. (AP Photo/Francisco Seco)

The athletes fropm the women's heptathlon pose for a picture on the Olympic rings at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo. (AP Photo/Morry Gash)

Damian Warner, of Canada reacts after he won the gold medal for the decathlon at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo. (AP Photo/Matthias Schrader)

Nafissatou Thiam, of Belgium reacts after winning the gold medal in the heptathlon at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo, Japan. (AP Photo/Charlie Riedel)

Competitors rest on the track following the decathlon 1500-meters at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo. (AP Photo/David J. Phillip)

Ashley Moloney, of Australia, competes in the decathlon javelin throw at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo. (AP Photo/David J. Phillip)

Ashley Moloney, of Australia, competes in the decathlon pole vault at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo. (AP Photo/Matthias Schrader)

Damian Warner, of Canada, wins the gold medal in the decathlon at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo. (AP Photo/Petr David Josek)

Heptathletes lay on the track after finishing the heptathlon 1500-meters at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo, Japan. (AP Photo/Charlie Riedel)

Damian Warner, left, of Canada, celebrates after winning the gold medal in the decathlon with Pawel Wiesiolek, of Poland, at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo.(AP Photo/Petr David Josek)

Nafissatou Thiam, of Belgium is greeted by Anouk Vetter, of Netherlands, silver, after winning the gold medal in the heptathlon at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo, Japan. (AP Photo/Charlie Riedel)