Christian Coleman, of the United States, left, runs to win the men's 100 meter race ahead of silver medalist Justin Gatlin, of the United States, right, during the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Martin Meissner)

Christian Coleman, of the United States, celebrates after winning the gold medal in the men's 100 meter final race during the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Morry Gash)

Christian Coleman, of the United States, third right, wins the gold medal in the men's 100m final ahead of Justin Gatlin, of the United States, right, silver, and Andre De Grasse, of Canada, second left, bronze, at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Petr David Josek)

Christian Coleman, of the United States, third right, wins the gold medal in the men's 100m final ahead of Justin Gatlin, of the United States, right, silver, and Andre De Grasse, of Canada, second left, bronze, at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Petr David Josek)

Aaron Brown, of Canada, Yohan Blake, of Jamaica, Zharnel Hughes, of Great Britain, Andre De Grasse, of Canada, Akani Simbine, of South Africa, Christian Coleman, of the United States, Justin Gatlin, of the United States, and Filippo Tortu, of Italy, from left, start in the men's 100 meter race during the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Martin Meissner)

Christian Coleman, of the United States, reacts after winning the men's 100 meter race during the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Martin Meissner)

Christian Coleman, of the United States, reacts after winning the men's 100 meter race during the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Martin Meissner)

Christian Coleman, of the United States, celebrates winning the gold medal in the men's 100 meter final race at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/David J. Phillip)

Christian Coleman, of the United States, second right, wins the gold medal in the men's 100m final ahead of Justin Gatlin of the United States, right, silver, and Andre De Grasse, of Canada, left, bronze, at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Petr David Josek)

Christian Coleman, of the United States, poses after winning the men's 100 meter race during the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Martin Meissner)

Andre De Grasse, of Canada, walks on the track after winning the bronze medal in the men's 100 meter race during the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Martin Meissner)

Christian Coleman, of the United States, left, wins the gold medal in the men's 100m final ahead of Justin Gatlin of the United States, right, silver, at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Petr David Josek)

Christian Coleman, of the United States, left, wins the gold medal in the men's 100m final ahead of Justin Gatlin of the United States, right, silver, at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Petr David Josek)

Christian Coleman, of the United States, leads the men's 100 meter final to win the gold medal at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Hassan Ammar)

Andre De Grasse, of Canada, walks on the track after winning the bronze medal in the men's 100 meter race during the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Martin Meissner)

Christian Coleman, of the United States, celebrates after crossing the line to win the gold medal in men's 100 meter final at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Nick Didlick)

Christian Coleman, of the United States, reacts after winning the men's 100 meter race during the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Martin Meissner)

Christian Coleman poses, wrapped in the United States flag, after winning the gold medal in the men's 100 meter final race at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/David J. Phillip)

Christian Coleman, of the United States, left, crosses the finish line to win the men's 100 meter race ahead of silver medalist Justin Gatlin, of the United States, right, during the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Martin Meissner)

Christian Coleman, of the United States, left, crosses the finish line to win the men's 100 meter race ahead of silver medalist Justin Gatlin, of the United States, right, during the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Martin Meissner)

Andre De Grasse of Canada celebrates his bronze medal in the men's 100m final at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Petr?David Josek)

Christian Coleman, of the United States, wins the gold medal in the men's 100m final at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Petr David Josek)

Christian Coleman, of the United States, center, wins the gold medal in the men's 100m final ahead of Justin Gatlin of the United States, second right, silver, and Andre De Grasse, of Canada, left, bronze, at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Petr David Josek)

Christian Coleman, of the United States, left, wins the gold medal in the men's 100m final ahead of Justin Gatlin, of the United States, right, silver, at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Petr David Josek)

Christian Coleman, of the United States, center, wins the gold medal in the men's 100m final ahead of Justin Gatlin of the United States, second right, silver, and Andre De Grasse, of Canada, left, bronze, at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Petr David Josek)

Christian Coleman, of the United States, third right, wins the gold medal in the men's 100m final ahead of Justin Gatlin of the United States, second right, silver, and Andre De Grasse, of Canada, fourth left, bronze, at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Petr David Josek)

Christian Coleman, of the United States, center, wins the gold medal in the men's 100m final ahead of Justin Gatlin of the United States, second right, silver, and Andre De Grasse, of Canada, left, bronze, at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Petr David Josek)

Christian Coleman, of the United States, third right, wins the gold medal in the men's 100m final ahead of Justin Gatlin of the United States, second right, silver, and Andre De Grasse, of Canada, fourth left, bronze, at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Petr David Josek)

Christian Coleman, of the United States, left, wins the gold medal in the men's 100m final ahead of Justin Gatlin, of the United States, silver, at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Petr David Josek)

Christian Coleman, of the United States, wins the gold medal in the men's 100m final at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Petr David Josek)

Christian Coleman, of the United States, wins the gold medal in the men's 100m final at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Petr David Josek)

Christian Coleman, of the United States, left, wins the gold medal in the men's 100m final ahead of Justin Gatlin, of the United States, silver, at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Petr David Josek)

Christian Coleman, of the United States, second right, wins the gold medal in the men's 100m final ahead of Justin Gatlin of the United States, right, silver, and Andre De Grasse, of Canada, left, bronze, at the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Petr David Josek)

Tomohiro Noda, left, of Japan, pours water on himself during the the men's kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Martin Meissner)

Matej T?lth, of Slovakia, competes during the the men's kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Nariman El-Mofty)

Yohann Diniz, of France, competes during the the men's kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Nariman El-Mofty)

In??s Henriques, of Portugal, competes during the the women's 50 kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Martin Meissner)

Faying Ma, of China, competes during the the women's 50 kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Martin Meissner)

Katie Burnett, center, of the United States, and Valentyna Myronchuk, of Ukraine, competes in the the women's 50 kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019.Right is Paola P??rez, of Ecuador. (AP Photo/Martin Meissner)

Khrystyna Yudkina, of Ukraine, douses herself with water while competing in the the women's 50 kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Martin Meissner)

Nadzeya Darazhuk, of Belarus, competes during the the women's kilometer race walkat the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Martin Meissner)

Nicole Colombi, of Italy, competes during the the women's kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Martin Meissner)

Paola P??rez, of Ecuador, competes in the the women's 50 kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Martin Meissner)

Khrystyna Yudkina, of Ukraine, and Olena Sobchuk, of Ukraine, compete during the the wpmen's kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Martin Meissner)

Masumi Fuchise, of Japan, center, competes in the the women's 50 kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Martin Meissner)

Nathaniel Seiler, of Germany competes during the men's 50 kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Nariman El-Mofty)

Norway's Havard Haukenes, left, and China's Qin Wang compete in the the men's 50 kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Martin Meissner)

Portugal's Ines Henriques, left, and China's Rui Liang compete in the the women's 50 kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Martin Meissner)

Walkers compete in the the women's 50 kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Martin Meissner)

France's Yohann Diniz, left, and Italy's Teodorico Caporaso compete in the the men's 50 kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Martin Meissner)

France's Yohann Diniz competes in the the men's 50 kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Martin Meissner)

France's Yohann Diniz competes in the the men's 50 kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Martin Meissner)

Christian Coleman, of the United States, reacts after winning the men's 100 meter race during the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Martin Meissner)

Christian Coleman, of the United States, center, reacts after winning the men's 100 meter race beside fourth placed Akani Simbine of South Africa, left, and second placed Justin Gatlin of the USA, right, during the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Martin Meissner)

Athletes compete in the the women's 50 kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Martin Meissner)

Norway's Havard Haukenes, left, and China's Qin Wang compete in the the men's 50 kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Martin Meissner)

Christian Coleman, of the United States, reacts after winning the men's 100 meter race during the World Athletics Championships in Doha, Qatar, Saturday, Sept. 28, 2019. (AP Photo/Martin Meissner)

Netherlands' Sifan HASSAN celebrates after winning the 10,000 meters Women in IAAF WORLD ATHLETICS CHAMPIONSHIPS, DOHA 2019 at Doha, Qatar on Sep. 28, 2019. ( The Yomiuri Shimbun via AP Images )

China's Rui LIANG reacts after winning the 50 kilometers race walk women in IAAF WORLD ATHLETICS CHAMPIONSHIPS, DOHA 2019 at Doha, Qatar on Sep. 28, 2019. COLEMAN won the event. ( The Yomiuri Shimbun via AP Images )

Netherlands' Sifan HASSAN competes during the 10,000 meters Women in IAAF WORLD ATHLETICS CHAMPIONSHIPS, DOHA 2019 at Doha, Qatar on Sep. 28, 2019. COLEMAN won the event. ( The Yomiuri Shimbun via AP Images )

Netherlands' Sifan HASSAN celebrates after winning the 10,000 meters Women in IAAF WORLD ATHLETICS CHAMPIONSHIPS, DOHA 2019 at Doha, Qatar on Sep. 28, 2019. ( The Yomiuri Shimbun via AP Images )

Netherlands' Sifan HASSAN celebrates after winning the 10,000 meters Women in IAAF WORLD ATHLETICS CHAMPIONSHIPS, DOHA 2019 at Doha, Qatar on Sep. 28, 2019. ( The Yomiuri Shimbun via AP Images )

China's Rui LIANG reacts as winning the 50 kilometers race walk women in IAAF WORLD ATHLETICS CHAMPIONSHIPS, DOHA 2019 at Doha, Qatar on Sep. 28, 2019. COLEMAN won the event. ( The Yomiuri Shimbun via AP Images )

China's Rui LIANG reacts as winning the 50 kilometers race walk women in IAAF WORLD ATHLETICS CHAMPIONSHIPS, DOHA 2019 at Doha, Qatar on Sep. 28, 2019. COLEMAN won the event. ( The Yomiuri Shimbun via AP Images )

U.S. DeAnna PRICE poses with a national flag after winning Hammmer Throw Women in IAAF WORLD ATHLETICS CHAMPIONSHIPS, DOHA 2019 at Doha, Qatar on Sep. 28, 2019. ( The Yomiuri Shimbun via AP Images )

Netherlands' Sifan HASSAN competes during the 10,000 meters Women in IAAF WORLD ATHLETICS CHAMPIONSHIPS, DOHA 2019 at Doha, Qatar on Sep. 28, 2019. COLEMAN won the event. ( The Yomiuri Shimbun via AP Images )

Netherlands' Sifan HASSAN celebrates after winning the 10,000 meters Women in IAAF WORLD ATHLETICS CHAMPIONSHIPS, DOHA 2019 at Doha, Qatar on Sep. 28, 2019. ( The Yomiuri Shimbun via AP Images )

Netherlands' Sifan HASSAN celebrates after winning the 10,000 meters Women in IAAF WORLD ATHLETICS CHAMPIONSHIPS, DOHA 2019 at Doha, Qatar on Sep. 28, 2019. ( The Yomiuri Shimbun via AP Images )

Netherlands' Sifan HASSAN celebrates after winning the 10,000 meters Women in IAAF WORLD ATHLETICS CHAMPIONSHIPS, DOHA 2019 at Doha, Qatar on Sep. 28, 2019. ( The Yomiuri Shimbun via AP Images )

Netherlands' Sifan HASSAN celebrates after winning the 10,000 meters Women in IAAF WORLD ATHLETICS CHAMPIONSHIPS, DOHA 2019 at Doha, Qatar on Sep. 28, 2019. ( The Yomiuri Shimbun via AP Images )

Japan's Yusuke Suzuki reacts after winning the men's 50 kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Nariman El-Mofty)

Japan's Yusuke Suzuki reacts after winning the men's 50 kilometer race walk at the World Athletics Championships in Doha, Qatar, Sunday, Sept. 29, 2019. (AP Photo/Nariman El-Mofty)

Japan's Daichi Sawano competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

Netherlands' Rutger Koppelaar competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Antonin THUILLIER / AFP)

Japan's Daichi Sawano competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Antonin THUILLIER / AFP)

Germany's Torben Blech competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Antonin THUILLIER / AFP)

Germany's Torben Blech competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Antonin THUILLIER / AFP)

Germany's Bo Kanda Lita Baehre competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

Poland's Robert Sobera competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

Uganda's Halimah Nakaayi reacts after the Women's 800m semi-final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by KARIM JAAFAR / AFP)

Uganda's Halimah Nakaayi reacts after the Women's 800m semi-final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by KARIM JAAFAR / AFP)

Uganda's Halimah Nakaayi (C) reacts after the Women's 800m semi-final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by KARIM JAAFAR / AFP)

Uganda's Halimah Nakaayi reacts after the Women's 800m semi-final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by KARIM JAAFAR / AFP)

France's Renaud Lavillenie competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Antonin THUILLIER / AFP)

Uganda's Halimah Nakaayi (C) crosses the finish line to win the Women's 800m semi-final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Jewel SAMAD / AFP)

Uganda's Halimah Nakaayi (C) crosses the finish line to win the Women's 800m semi-final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Jewel SAMAD / AFP)

Uganda's Halimah Nakaayi (C) reacts after the Women's 800m semi-final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Jewel SAMAD / AFP)

Uganda's Halimah Nakaayi (R) reacts after the Women's 800m semi-final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Jewel SAMAD / AFP)

Uganda's Halimah Nakaayi reacts after the Women's 800m semi-final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Jewel SAMAD / AFP)

Uganda's Halimah Nakaayi reacts after the Women's 800m semi-final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Jewel SAMAD / AFP)

France's Renelle Lamote reacts after the Women's 800m semi-final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Jewel SAMAD / AFP)

USA's Ce Aira Brown (L) and Jamaica's Natoya Goule wqait for the results in the Women's 800m semi-final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Jewel SAMAD / AFP)

Greece's Konstantinos Filippidis competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

Philippines' Ernest John Obiena competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

France's Renaud Lavillenie competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

USA's Cole Walsh competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

USA's Cole Walsh competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

USA's Cole Walsh competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

France's Renaud Lavillenie (R) and his brother Valentin prepare to compete in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Antonin THUILLIER / AFP)

France's Renaud Lavillenie (R) talks to his brother Valentin in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Antonin THUILLIER / AFP)

France's Renaud Lavillenie (R) talks to his brother Valentin in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Antonin THUILLIER / AFP)

Germany's Raphael Holzdeppe competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

Germany's Raphael Holzdeppe competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

Greece's Konstantinos Filippidis competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

Greece's Konstantinos Filippidis competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

Greece's Konstantinos Filippidis competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

Philippines' Ernest John Obiena competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

France's Renaud Lavillenie (L) puts his hand on the shoulder of his brother Valentin as he competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Antonin THUILLIER / AFP)

France's Renaud Lavillenie (L) puts his hand on the shoulder of his brother Valentin as he competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Antonin THUILLIER / AFP)

Japan's Seito Yamamoto competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

France's Renaud Lavillenie competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

France's Renaud Lavillenie competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

Italy's Claudio Stecchi competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

Italy's Claudio Stecchi competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

Germany's Raphael Holzdeppe competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

Germany's Raphael Holzdeppe competes in the Men's Pole Vault heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by Kirill KUDRYAVTSEV / AFP)

USA's Deanna Price competes in the Women's Hammer Throw final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by ANDREJ ISAKOVIC / AFP)

Slovakia's Martina Hrasnova competes in the Women's Hammer Throw final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by ANDREJ ISAKOVIC / AFP)

USA's Deanna Price competes in the Women's Hammer Throw final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by ANDREJ ISAKOVIC / AFP)

Belarus' Hanna Malyshik competes in the Women's Hammer Throw final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by ANDREJ ISAKOVIC / AFP)

Poland's Joanna Fiodorow competes in the Women's Hammer Throw final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by ANDREJ ISAKOVIC / AFP)

Slovakia's Martina Hrasnova competes in the Women's Hammer Throw final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by ANDREJ ISAKOVIC / AFP)

USA's Obi Ibgokwe (C) competes in the Mixed 4 x 400m Relay heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by KARIM JAAFAR / AFP)

The USA team reacts after setting a world record in the Mixed 4 x 400m Relay heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by KARIM JAAFAR / AFP)

Ukraine's Iryna Klymets competes in the Women's Hammer Throw final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by ANDREJ ISAKOVIC / AFP)

Ukraine's Iryna Klymets competes in the Women's Hammer Throw final at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by ANDREJ ISAKOVIC / AFP)

USA's Jessica Beard (2nd R) receives the baton from USA's Tyrell Richard (R) in the Mixed 4 x 400m Relay heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by KARIM JAAFAR / AFP)

USA's Jasmine Blocker receives the baton from teammate Jessica Beard in the Mixed 4 x 400m Relay heats at the 2019 IAAF World Athletics Championships at the Khalifa International stadium in Doha on September 28, 2019. (Photo by KARIM JAAFAR / AFP)