Jamaican sprinter Usain Bolt

The Jamaican sprinter and three-time Olympic gold medalist will be one of the biggest names to watch at the London Games.

Gold medallist Kjeld Nuis of The Netherlands, center, and silver medallist Patrick Roest of The Netherlands, left, imitate Jamaican sprinter Usain Bolt, on the podium with bronze medallist Kim Min-seok of South Korea, right, after the men's 1,500 meters speedskating race at the Gangneung Oval at the 2018 Winter Olympics in Gangneung, South Korea, Tuesday, Feb. 13, 2018. (AP Photo/John Locher)
Gold medallist Kjeld Nuis of The Netherlands, center, and silver medallist Patrick Roest of The Netherlands, left, imitate Jamaican sprinter Usain Bolt, on the podium with bronze medallist Kim Min-seok of South Korea, right, after the men's 1,500 meters speedskating race at the Gangneung Oval at the 2018 Winter Olympics in Gangneung, South Korea, Tuesday, Feb. 13, 2018. (AP Photo/John Locher)
Gold medallist Kjeld Nuis of The Netherlands, center, and silver medallist Patrick Roest of The Netherlands, left, imitate Jamaican sprinter Usain Bolt, on the podium with bronze medallist Kim Min-seok of South Korea, right, after the men's 1,500 meters speedskating race at the Gangneung Oval at the 2018 Winter Olympics in Gangneung, South Korea, Tuesday, Feb. 13, 2018. (AP Photo/John Locher)
Gold medallist Kjeld Nuis of The Netherlands, center, imitates Jamaican sprinter Usain Bolt on the podium with silver medallist Patrick Roest of The Netherlands, left, and bronze medallist Kim Min-seok of South Korea after the men's 1,500 meters speedskating race at the Gangneung Oval at the 2018 Winter Olympics in Gangneung, South Korea, Tuesday, Feb. 13, 2018. (AP Photo/Petr David Josek)
Gold medallist Kjeld Nuis of The Netherlands, center, imitates Jamaican sprinter Usain Bolt on the podium with silver medallist Patrick Roest of The Netherlands, left, and bronze medallist Kim Min-seok of South Korea after the men's 1,500 meters speedskating race at the Gangneung Oval at the 2018 Winter Olympics in Gangneung, South Korea, Tuesday, Feb. 13, 2018. (AP Photo/Petr David Josek)
Gold medallist Kjeld Nuis of The Netherlands, center, imitates Jamaican sprinter Usain Bolt on the podium with silver medallist Patrick Roest of The Netherlands, left, and bronze medallist Kim Min-seok of South Korea after the men's 1,500 meters speedskating race at the Gangneung Oval at the 2018 Winter Olympics in Gangneung, South Korea, Tuesday, Feb. 13, 2018. (AP Photo/Petr David Josek)
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg, South Africa, January 29, 2018. REUTERS/James Oatway TPX IMAGES OF THE DAY
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg, South Africa, January 29, 2018. REUTERS/James Oatway TPX IMAGES OF THE DAY
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg, South Africa, January 29, 2018. REUTERS/James Oatway
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg, South Africa, January 29, 2018. REUTERS/James Oatway
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg, South Africa, January 29, 2018. REUTERS/James Oatway
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg, South Africa, January 29, 2018. REUTERS/James Oatway
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg, South Africa, January 29, 2018. REUTERS/James Oatway
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg, South Africa, January 29, 2018. REUTERS/James Oatway
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg, South Africa, January 29, 2018. REUTERS/James Oatway
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg, South Africa, January 29, 2018. REUTERS/James Oatway
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg, South Africa, January 29, 2018. REUTERS/James Oatway
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg, South Africa, January 29, 2018. REUTERS/James Oatway
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg, South Africa, January 29, 2018. REUTERS/James Oatway
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg
Former Olympic sprinter Usain Bolt attends a practice session with Mamelodi Sundowns soccer team in Johannesburg, South Africa, January 29, 2018. REUTERS/James Oatway
Justin Gatlin of the U.S. kneels down in front of Usain Bolt of Jamaica after the final of the Men's 100 Metres final during the World Athletics Championships at London Stadium, August 5. REUTERS/Phil Noble
Pictures of the Year: Sport
Justin Gatlin of the U.S. kneels down in front of Usain Bolt of Jamaica after the final of the Men's 100 Metres final during the World Athletics Championships at London Stadium, August 5. REUTERS/Phil Noble
Justin Gatlin of the U.S. kneels down in front of Usain Bolt of Jamaica after the final of the Men's 100 Metres final during the World Athletics Championships at London Stadium, August 5. REUTERS/Phil Noble
Pictures of the Year: Sport
Justin Gatlin of the U.S. kneels down in front of Usain Bolt of Jamaica after the final of the Men's 100 Metres final during the World Athletics Championships at London Stadium, August 5. REUTERS/Phil Noble
Retired sprinter Usain Bolt, of Jamaica, gestures while sitting courtside during the first half of an NBA basketball game between the Miami Heat and the Milwaukee Bucks, Sunday, Jan. 14, 2018, in Miami. (AP Photo/Lynne Sladky)
Retired sprinter Usain Bolt, of Jamaica, gestures while sitting courtside during the first half of an NBA basketball game between the Miami Heat and the Milwaukee Bucks, Sunday, Jan. 14, 2018, in Miami. (AP Photo/Lynne Sladky)
Retired sprinter Usain Bolt, of Jamaica, gestures while sitting courtside during the first half of an NBA basketball game between the Miami Heat and the Milwaukee Bucks, Sunday, Jan. 14, 2018, in Miami. (AP Photo/Lynne Sladky)
FILE - In this Aug. 12, 2017, file photo, Jamaica's Usain Bolt lies on the track after he injured himself in the 4x100 meter relay final at the World Athletics Championships in London. (AP Photo/Tim Ireland, File)
FILE - In this Aug. 12, 2017, file photo, Jamaica's Usain Bolt lies on the track after he injured himself in the 4x100 meter relay final at the World Athletics Championships in London. (AP Photo/Tim Ireland, File)
FILE - In this Aug. 12, 2017, file photo, Jamaica's Usain Bolt lies on the track after he injured himself in the 4x100 meter relay final at the World Athletics Championships in London. (AP Photo/Tim Ireland, File)
Oct 22, 2017; Austin, TX, USA; Olympic champion Usain Bolt of Jamaica walks through the paddock before the start of the United States Grand Prix at Circuit of the Americas. Mandatory Credit: Jerome Miron-USA TODAY Sports
Formula One: United States Grand Prix
Oct 22, 2017; Austin, TX, USA; Olympic champion Usain Bolt of Jamaica walks through the paddock before the start of the United States Grand Prix at Circuit of the Americas. Mandatory Credit: Jerome Miron-USA TODAY Sports
FILE PHOTO - Athletics - World Athletics Championships – Usain Bolt's farewell ceremony – London Stadium, London, Britain – August 13, 2017 – Usain Bolt of Jamaica gestures. REUTERS/Phil Noble
FILE PHOTO - World Athletics Championships
FILE PHOTO - Athletics - World Athletics Championships – Usain Bolt's farewell ceremony – London Stadium, London, Britain – August 13, 2017 – Usain Bolt of Jamaica gestures. REUTERS/Phil Noble
FILE - In this Saturday, Aug. 12, 2017 file photo fireworks for the winner go off as Jamaica's Usain Bolt falls after suffering an injury, during the men's 4x100-meter final at the World Athletics Championships in London. (AP Photo/Frank Augstein, File)
FILE - In this Saturday, Aug. 12, 2017 file photo fireworks for the winner go off as Jamaica's Usain Bolt falls after suffering an injury, during the men's 4x100-meter final at the World Athletics Championships in London. (AP Photo/Frank Augstein, File)
FILE - In this Saturday, Aug. 12, 2017 file photo fireworks for the winner go off as Jamaica's Usain Bolt falls after suffering an injury, during the men's 4x100-meter final at the World Athletics Championships in London. (AP Photo/Frank Augstein, File)
FILE - In this Saturday, Aug. 5, 2017 file photo United States' Justin Gatlin, left, crosses the line to win gold ahead of silver medal winner United States' Christian Coleman, second right, and bronze medal winner Jamaica's Usain Bolt, right, in the men's 100m final during the World Athletics Championships in London. (AP Photo/Matt Dunham, File)
FILE - In this Saturday, Aug. 5, 2017 file photo United States' Justin Gatlin, left, crosses the line to win gold ahead of silver medal winner United States' Christian Coleman, second right, and bronze medal winner Jamaica's Usain Bolt, right, in the men's 100m final during the World Athletics Championships in London. (AP Photo/Matt Dunham, File)
FILE - In this Saturday, Aug. 5, 2017 file photo United States' Justin Gatlin, left, crosses the line to win gold ahead of silver medal winner United States' Christian Coleman, second right, and bronze medal winner Jamaica's Usain Bolt, right, in the men's 100m final during the World Athletics Championships in London. (AP Photo/Matt Dunham, File)
FILE - In this Saturday, Aug. 5, 2017 file photo United States' Justin Gatlin bows to Jamaica's Usain Bolt after winning the Men's 100 meters final during the World Athletics Championships in London. (AP Photo/Tim Ireland, File)
FILE - In this Saturday, Aug. 5, 2017 file photo United States' Justin Gatlin bows to Jamaica's Usain Bolt after winning the Men's 100 meters final during the World Athletics Championships in London. (AP Photo/Tim Ireland, File)
FILE - In this Saturday, Aug. 5, 2017 file photo United States' Justin Gatlin bows to Jamaica's Usain Bolt after winning the Men's 100 meters final during the World Athletics Championships in London. (AP Photo/Tim Ireland, File)
Olympic champion Usain Bolt (C) poses after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Bolt poses after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston
Olympic champion Usain Bolt (C) poses after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Jamaica's Prime Minister Andrew Holness (2nd L), his wife and Member of Parliament Juliet Holness (L), Olympic Champion Usain Bolt (2nd R) and his girlfriend Kasi Bennett attend a ceremony for the unveiling of Bolt's statue, at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Jamaica's Prime Minister Holness, his wife, Olympic Champion Bolt and his girlfriend attend a ceremony for the unveiling of Bolt's statue, at the Statue Park at the National Stadium, in Kingston
Jamaica's Prime Minister Andrew Holness (2nd L), his wife and Member of Parliament Juliet Holness (L), Olympic Champion Usain Bolt (2nd R) and his girlfriend Kasi Bennett attend a ceremony for the unveiling of Bolt's statue, at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt addresses the audience after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt addresses the audience after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston
Olympic champion Usain Bolt addresses the audience after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt (C) poses after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Bolt poses after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston
Olympic champion Usain Bolt (C) poses after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt (C) and his girlfriend Kasi Bennett (2nd R) attend a ceremony for the unveiling of Bolt's statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Bolt and his girlfriend attend a ceremony for the unveiling of Bolt's statue at the Statue Park at the National Stadium, in Kingston
Olympic champion Usain Bolt (C) and his girlfriend Kasi Bennett (2nd R) attend a ceremony for the unveiling of Bolt's statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt (L) arrives with his girlfriend Kasi Bennett for the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Bolt arrives with his girlfriend for the unveiling of his statue, in Kingston
Olympic champion Usain Bolt (L) arrives with his girlfriend Kasi Bennett for the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt (C) and his girlfriend Kasi Bennett (2nd R) attend a ceremony for the unveiling of Bolt's statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Bolt and his girlfriend attend a ceremony for the unveiling of Bolt's statue at the Statue Park at the National Stadium, in Kingston
Olympic champion Usain Bolt (C) and his girlfriend Kasi Bennett (2nd R) attend a ceremony for the unveiling of Bolt's statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt (C) and his girlfriend Kasi Bennett (2nd R) attend a ceremony for the unveiling of Bolt's statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Bolt and his girlfriend attend a ceremony for the unveiling of Bolt's statue at the Statue Park at the National Stadium, in Kingston
Olympic champion Usain Bolt (C) and his girlfriend Kasi Bennett (2nd R) attend a ceremony for the unveiling of Bolt's statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Jamaica's Prime Minister Andrew Holness (2nd L), his wife and Member of Parliament Juliet Holness (L), Olympic Champion Usain Bolt (2nd R) and his girlfriend Kasi Bennett attend a ceremony for the unveiling of Bolt's statue, at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Jamaica's Prime Minister Holness, his wife, Olympic Champion Bolt and his girlfriend attend a ceremony for the unveiling of Bolt's statue, at the Statue Park at the National Stadium, in Kingston
Jamaica's Prime Minister Andrew Holness (2nd L), his wife and Member of Parliament Juliet Holness (L), Olympic Champion Usain Bolt (2nd R) and his girlfriend Kasi Bennett attend a ceremony for the unveiling of Bolt's statue, at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt addresses the audience after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt addresses the audience after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston
Olympic champion Usain Bolt addresses the audience after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt (C) poses after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Bolt poses after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston
Olympic champion Usain Bolt (C) poses after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt (L) arrives with his girlfriend Kasi Bennett for the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Bolt arrives with his girlfriend for the unveiling of his statue, in Kingston
Olympic champion Usain Bolt (L) arrives with his girlfriend Kasi Bennett for the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Jamaica's Prime Minister Andrew Holness (2nd L), his wife and Member of Parliament Juliet Holness (L), Olympic Champion Usain Bolt (2nd R) and his girlfriend Kasi Bennett attend a ceremony for the unveiling of Bolt's statue, at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Jamaica's Prime Minister Holness, his wife, Olympic Champion Bolt and his girlfriend attend a ceremony for the unveiling of Bolt's statue, at the Statue Park at the National Stadium, in Kingston
Jamaica's Prime Minister Andrew Holness (2nd L), his wife and Member of Parliament Juliet Holness (L), Olympic Champion Usain Bolt (2nd R) and his girlfriend Kasi Bennett attend a ceremony for the unveiling of Bolt's statue, at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt addresses the audience after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt addresses the audience after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston
Olympic champion Usain Bolt addresses the audience after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt (C) and his girlfriend Kasi Bennett (2nd R) attend a ceremony for the unveiling of Bolt's statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Bolt and his girlfriend attend a ceremony for the unveiling of Bolt's statue at the Statue Park at the National Stadium, in Kingston
Olympic champion Usain Bolt (C) and his girlfriend Kasi Bennett (2nd R) attend a ceremony for the unveiling of Bolt's statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt (C) poses after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Bolt poses after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston
Olympic champion Usain Bolt (C) poses after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt (C) and his girlfriend Kasi Bennett (2nd R) attend a ceremony for the unveiling of Bolt's statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Bolt and his girlfriend attend a ceremony for the unveiling of Bolt's statue at the Statue Park at the National Stadium, in Kingston
Olympic champion Usain Bolt (C) and his girlfriend Kasi Bennett (2nd R) attend a ceremony for the unveiling of Bolt's statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt addresses the audience after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt addresses the audience after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston
Olympic champion Usain Bolt addresses the audience after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Jamaica's Prime Minister Andrew Holness (2nd L), his wife and Member of Parliament Juliet Holness (L), Olympic Champion Usain Bolt (2nd R) and his girlfriend Kasi Bennett attend a ceremony for the unveiling of Bolt's statue, at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Jamaica's Prime Minister Holness, his wife, Olympic Champion Bolt and his girlfriend attend a ceremony for the unveiling of Bolt's statue, at the Statue Park at the National Stadium, in Kingston
Jamaica's Prime Minister Andrew Holness (2nd L), his wife and Member of Parliament Juliet Holness (L), Olympic Champion Usain Bolt (2nd R) and his girlfriend Kasi Bennett attend a ceremony for the unveiling of Bolt's statue, at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt (C) poses after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Bolt poses after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston
Olympic champion Usain Bolt (C) poses after the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Usain Bolt (L) arrives with his girlfriend Kasi Bennett for the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
Olympic champion Bolt arrives with his girlfriend for the unveiling of his statue, in Kingston
Olympic champion Usain Bolt (L) arrives with his girlfriend Kasi Bennett for the unveiling of his statue at the Statue Park at the National Stadium, in Kingston, Jamaica December 3, 2017. REUTERS/Gilbert Bellamy
2017 AP YEAR END PHOTOS - United States' Justin Gatlin, left, crosses the line to win gold ahead of silver medal winner United States' Christian Coleman, second right, and bronze medal winner Jamaica's Usain Bolt, right, in the men's 100m final during the World Athletics Championships in London on Aug. 5, 2017. (AP Photo/Matt Dunham)
2017 AP YEAR END PHOTOS - United States' Justin Gatlin, left, crosses the line to win gold ahead of silver medal winner United States' Christian Coleman, second right, and bronze medal winner Jamaica's Usain Bolt, right, in the men's 100m final during the World Athletics Championships in London on Aug. 5, 2017. (AP Photo/Matt Dunham)
2017 AP YEAR END PHOTOS - United States' Justin Gatlin, left, crosses the line to win gold ahead of silver medal winner United States' Christian Coleman, second right, and bronze medal winner Jamaica's Usain Bolt, right, in the men's 100m final during the World Athletics Championships in London on Aug. 5, 2017. (AP Photo/Matt Dunham)

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