Ashton Eaton competes in the 1,500 meter run

01 / 05

USA's Ashton Eaton (R) hugs France's Kevin Mayer after the Men's Decathlon 1500m during the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 18, 2016. / AFP / Jewel SAMAD (Photo credit should read JEWEL SAMAD/AFP/Getty Images)

02 / 05

(FromL) France's Kevin Mayer, USA's Ashton Eaton and Canada's Damian Warner compete in the Men's Decathlon 1500m during the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro. / AFP / PEDRO UGARTE

03 / 05

USA's Ashton Eaton looks on after the Men's Decathlon 1500m during the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 18, 2016. / AFP / Jewel SAMAD

04 / 05

USA's Ashton Eaton competes in the Men's Decathlon 1500m during the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 18, 2016. / AFP / Jewel SAMAD

05 / 05

(FromR) France's Kevin Mayer, USA's Ashton Eaton and Canada's Damian Warner compete in the Men's Decathlon 1500m during the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 18, 2016. AFP / OLIVIER MORIN