Ledecky tops heats in Olympic debut of women's 1,500 free
Katinka Hosszu of Hungary removes her goggles following her heat of the women's 200-meter individual medley at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Martin Meissner)

Katinka Hosszu of Hungary removes her goggles following her heat of the women's 200-meter individual medley at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Martin Meissner)

Jul. 26, 2021 07:05 AM EDT
Katinka Hosszu of Hungary swims in a heat during the women's 200-meter individual medley at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Matthias Schrader)

Katinka Hosszu of Hungary swims in a heat during the women's 200-meter individual medley at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Matthias Schrader)

Jul. 26, 2021 07:25 AM EDT
Kate Douglass of the United States swims in a heat during the women's 200-meter individual medley at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Matthias Schrader)

Kate Douglass of the United States swims in a heat during the women's 200-meter individual medley at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Matthias Schrader)

Jul. 26, 2021 07:19 AM EDT
Ariarne Titmus of Australia rests after her heat in the women's 200-meter freestyle at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Martin Meissner)

Ariarne Titmus of Australia rests after her heat in the women's 200-meter freestyle at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Martin Meissner)

Jul. 26, 2021 06:23 AM EDT
Allison Schmitt of the United States swims in a heat of the women's 200-meter freestyle at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Matthias Schrader)

Allison Schmitt of the United States swims in a heat of the women's 200-meter freestyle at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Matthias Schrader)

Jul. 26, 2021 06:30 AM EDT
Katie Ledecky, of the United States, reacts following her swim in a heat of the women's 1500-meter freestyle at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Martin Meissner)

Katie Ledecky, of the United States, reacts following her swim in a heat of the women's 1500-meter freestyle at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Martin Meissner)

Jul. 26, 2021 08:32 AM EDT
Erica Sullivan, of the United States, swims in a heat during the women's 1500-meter freestyle at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Martin Meissner)

Erica Sullivan, of the United States, swims in a heat during the women's 1500-meter freestyle at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan. (AP Photo/Martin Meissner)

Jul. 26, 2021 08:06 AM EDT