Thompson-Herah breaks Flo Jo's Olympic record in women's 100
Sydney Mclaughlin, of United States, wins a heat in the women's 400-meter hurdles at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Petr David Josek)

Sydney Mclaughlin, of United States, wins a heat in the women's 400-meter hurdles at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Petr David Josek)

Jul. 30, 2021 08:34 PM EDT
Elaine Thompson-Herah, of Jamaica, wins the gold during the finals of the women's 100-meter at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Morry Gash)

Elaine Thompson-Herah, of Jamaica, wins the gold during the finals of the women's 100-meter at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Morry Gash)

Jul. 31, 2021 08:59 AM EDT
Elaine Thompson-Herah of Jamaica, celebrates as she wins the women's 100-meters final at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/David J. Phillip)

Elaine Thompson-Herah of Jamaica, celebrates as she wins the women's 100-meters final at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/David J. Phillip)

Jul. 31, 2021 08:58 AM EDT
Elaine Thompson-Herah, of Jamaica, celebrates after winning the women's 100-meter final at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Martin Meissner)

Elaine Thompson-Herah, of Jamaica, celebrates after winning the women's 100-meter final at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Martin Meissner)

Jul. 31, 2021 09:41 AM EDT
Elaine Thompson-Herah, of Jamaica, wins the women's 100-meter final at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Martin Meissner)

Elaine Thompson-Herah, of Jamaica, wins the women's 100-meter final at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Martin Meissner)

Jul. 31, 2021 08:58 AM EDT
Dalilah Muhammad, of United States, reacts after winning a heat in the women's 400-meter hurdles at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Petr David Josek)

Dalilah Muhammad, of United States, reacts after winning a heat in the women's 400-meter hurdles at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Petr David Josek)

Jul. 30, 2021 08:46 PM EDT
Elaine Thompson-Herah of Jamaica, celebrates as she wins the women's 100-meters final at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/David J. Phillip)

Elaine Thompson-Herah of Jamaica, celebrates as she wins the women's 100-meters final at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/David J. Phillip)

Jul. 31, 2021 08:59 AM EDT
Sydney Mclaughlin, of United States, wins a heat in the women's 400-meter hurdles at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Charlie Riedel)

Sydney Mclaughlin, of United States, wins a heat in the women's 400-meter hurdles at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Charlie Riedel)

Jul. 30, 2021 08:36 PM EDT
Elaine Thompson-Herah, of Jamaica, wins the women's 100-meter final at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Martin Meissner)

Elaine Thompson-Herah, of Jamaica, wins the women's 100-meter final at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Martin Meissner)

Jul. 31, 2021 08:59 AM EDT
Sydney Mclaughlin, of United States, wins a heat in the women's 400-meter hurdles at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Charlie Riedel)

Sydney Mclaughlin, of United States, wins a heat in the women's 400-meter hurdles at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Charlie Riedel)

Jul. 30, 2021 08:36 PM EDT
Elaine Thompson-Herah, of Jamaica, celebrates after winning the women's 100-meter final at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Charlie Riedel)

Elaine Thompson-Herah, of Jamaica, celebrates after winning the women's 100-meter final at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Charlie Riedel)

Jul. 31, 2021 09:43 AM EDT
Elaine Thompson-Herah, of Jamaica, celebrates after winning the women's 100-meter final at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Martin Meissner)

Elaine Thompson-Herah, of Jamaica, celebrates after winning the women's 100-meter final at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Martin Meissner)

Jul. 31, 2021 09:42 AM EDT
Dalilah Muhammad, of United States, reacts after winning a heat in the women's 400-meter hurdles at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Petr David Josek)

Dalilah Muhammad, of United States, reacts after winning a heat in the women's 400-meter hurdles at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Petr David Josek)

Jul. 30, 2021 08:46 PM EDT
Dalilah Muhammad, of United States, wins a heat in the women's 400-meter hurdles at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Martin Meissner)

Dalilah Muhammad, of United States, wins a heat in the women's 400-meter hurdles at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo. (AP Photo/Martin Meissner)

Jul. 30, 2021 08:58 PM EDT