2016 Rio Olympics, Athletics, Preliminary, Women's 1500m Round 1, Olympic Stadium, Rio de Janeiro, Brazil on August 12, 2016. Genzebe Dibaba (ETH) of Ethiopia reacts. (Photo by David Gray/Reuters)





2016 Rio Olympics, Athletics, Preliminary, Women's 1500m Round 1, Olympic Stadium, Rio de Janeiro, Brazil on August 12, 2016. Ciara Mageean (IRL) of Ireland, Genzebe Dibaba (ETH) of Ethiopia and Konstanze Klosterhalfen (GER) of Germany compete. (Photo by David Gray/Reuters)





2016 Rio Olympics, Athletics, Final, Women's 100m Final, Olympic Stadium, Rio de Janeiro, Brazil on August 13, 2016. Elaine Thompson (JAM) of Jamaica reacts after winning the gold medal in the women's 100 meters. (Photo by Carlos Barria/Reuters)





2016 Rio Olympics, Athletics, Preliminary, Women's 200m Round 1, Olympic Stadium, Rio de Janeiro, Brazil on August 12, 2016. Katarina Johnson-Thompson (GBR)and Jessica Ennis-Hill (GBR) of Britain and Brianne Theisen-Eaton (CAN) of Canada react. (Photo by David Gray/Reuters)





2016 Rio Olympics, Athletics, Preliminary, Women's 200m Round 1, Olympic Stadium, Rio de Janeiro, Brazil on August 12, 2016. Katarina Johnson-Thompson (GBR)and Jessica Ennis-Hill (GBR) of Britain react. (Photo by David Gray/Reuters)





2016 Rio Olympics, Athletics, Preliminary, Women's 100m Round 1, Olympic Stadium, Rio de Janeiro, Brazil on August 12, 2016. Tianna Bartoletta (USA) of USA after finishing. (Photo by Dylan Martinez/Reuters)





2016 Rio Olympics, Athletics, Preliminary, Women's 100m Round 1, Olympic Stadium, Rio de Janeiro, Brazil on August 12, 2016. Rosangela Santos (BRA) of Brazil reacts. (Photo by Dylan Martinez/Reuters)





2016 Rio Olympics, Athletics, Preliminary, Women's 100m Round 1, Olympic Stadium, Rio de Janeiro, Brazil on August 12, 2016. Ivet Lalova-Collio (BUL) of Bulgaria. (Photo by Lucy Nicholson/Reuters)





2016 Rio Olympics, Athletics, Preliminary, Women's 100m Round 1, Olympic Stadium, Rio de Janeiro, Brazil on August 12, 2016. English Gardner (USA) of USA after finishing in heat 8. (Photo by Dylan Martinez/Reuters)





2016 Rio Olympics, Athletics, Preliminary, Women's 100m Round 1, Olympic Stadium, Rio de Janeiro, Brazil on August 12, 2016. Athletes start the race in heat 6. (Photo by Gonzalo Fuentes/Reuters)





2016 Rio Olympics, Athletics, Preliminary, Women's 100m Round 1, Olympic Stadium, Rio de Janeiro, Brazil on August 12, 2016. Darryl Neita (GBR) of Britain reacts after finishing in heat 8. (Photo by Dylan Martinez/Reuters)





2016 Rio Olympics, Athletics, Preliminary, Women's 3000m Round 1, Olympic Stadium, Rio de Janeiro, Brazil on August 13, 2016. Peruth Chemutai (UGA) of Uganda and Ruth Jebet (BRN) of Bahrain compete. (Photo by Lucy Nicholson/Reuters)





2016 Rio Olympics, Athletics, Preliminary, Women's 3000m Round 1, Olympic Stadium, Rio de Janeiro, Brazil on August 13, 2016. Juliana Paula dos Santos (BRA) of Brazil kisses a hurdle after the race. (Photo by Lucy Nicholson/Reuters)





2016 Rio Olympics, Athletics, Preliminary, Women's 3000m Round 1, Olympic Stadium, Rio de Janeiro, Brazil on August 13, 2016. Meryem Akda (TUR) of Turkey and Hiwot Ayalew (ETH) of Ethiopia compete. (Photo by Lucy Nicholson/Reuters)





2016 Rio Olympics, Athletics, Preliminary, Women's 3000m Round 1, Olympic Stadium, Rio de Janeiro, Brazil on August 13, 2016. Diana Martin (ESP) of Spain kisses the track after the race. (Photo by David Gray/Reuters)





2016 Rio Olympics, Athletics, Preliminary, Women's Triple Jump Qualifying Round, Groups, Olympic Stadium, Rio de Janeiro, Brazil on August 13, 2016. Cristina Bujin (ROU) of Romania competes. (Photo by Ivan Alvarado/Reuters)





2016 Rio Olympics, Athletics, Preliminary, Women's 400m Round 1, Olympic Stadium, Rio de Janeiro, Brazil on August 13, 2016. Justyna Swiety (POL) of Poland competes. (Photo by Lucy Nicholson/Reuters)





2016 Rio Olympics, Athletics, Preliminary, Women's 400m Round 1, Olympic Stadium, Rio de Janeiro, Brazil on August 13, 2016. Dalal Mesfer Al Harith (QAT) of Qatar competes. (Photo by Lucy Nicholson/Reuters)





2016 Rio Olympics, Athletics, Preliminary, Women's 400m Round 1, Olympic Stadium, Rio de Janeiro, Brazil on August 13, 2016. Carline Muir (CAN) of Canada reacts. (Photo by Lucy Nicholson/Reuters)





2016 Rio Olympics, Athletics, Preliminary, Women's 400m Round 1, Olympic Stadium, Rio de Janeiro, Brazil on August 13, 2016. Natasha Hastings (USA) of USA competes. (Photo by Gonzalo Fuentes/Reuters)





2016 Rio Olympics, Athletics, Women's Heptathlon Javelin Throw, Groups, Olympic Stadium, Rio de Janeiro, Brazil on August 13, 2016. Evelis Aguilar (COL) of Colombia competes in Javelin group A women's heptathlon. (Photo by Dylan Martinez/Reuters)





2016 Rio Olympics, Athletics, Women's Heptathlon Javelin Throw, Groups, Olympic Stadium, Rio de Janeiro, Brazil on August 13, 2016. Jessica Ennis-Hill (GBR) of Britain reacts after a throw competing in Javelin group A women's heptathlon. (Photo by Dylan Martinez/Reuters)





2016 Rio Olympics, Athletics, Final, Women's 100m Final, Olympic Stadium, Rio de Janeiro, Brazil on August 13, 2016. Elaine Thompson (JAM) of Jamaica celebrates as she wins the race ahead of Tori Bowie (USA) of USA and Shelly-Ann Fraser-Pryce (JAM) of Jamaica. (Photo by Dylan Martinez/Reuters)





2016 Rio Olympics, Athletics, Final, Women's 100m Final, Olympic Stadium, Rio de Janeiro, Brazil on August 13, 2016. Tori Bowie (USA) of USA celebrates. (Photo by Dylan Martinez/Reuters)





2016 Rio Olympics, Athletics, Final, Women's Heptathlon 800m, Olympic Stadium, Rio de Janeiro, Brazil on August 13, 2016. An official picks up name tag of Nadine Broersen (NED) of Netherlands. (Photo by David Gray/Reuters)





2016 Rio Olympics, Athletics, Final, Women's Heptathlon 800m, Olympic Stadium, Rio de Janeiro, Brazil on August 13, 2016. Nadine Visser (NED) of Netherlands and Anouk Vetter (NED) of Netherlands react. (Photo by David Gray/Reuters)





2016 Rio Olympics, Athletics, Final, Women's 100m Final, Olympic Stadium, Rio de Janeiro, Brazil on August 13, 2016. Elaine Thompson (JAM) of Jamaica celebrates her gold medal in the women's 100 meters. (Photo by Carlos Barria/Reuters)





2016 Rio Olympics, Athletics, Final, Women's Heptathlon 800m, Olympic Stadium, Rio de Janeiro, Brazil on August 13, 2016. Xenia Krizsan (HUN) of Hungary and Nadine Visser (NED) of the Netherlands react after finishing the race. (Photo by Ivan Alvarado/Reuters)





2016 Rio Olympics, Athletics, Final, Women's 100m Final, Olympic Stadium, Rio de Janeiro, Brazil on August 13, 2016. Shelly Ann Fraser-Pryce (JAM) (2nd-L) of Jamaica, winner of the bronze medal, is embraced by gold medal winner Elaine Thompson (JAM) of Jamaica after the women's 100 meters. (Photo by Carlos Barria/Reuters)