see more

RIO DE JANEIRO, BRAZIL - JULY 31: Nathan Hart of Australia practices during a track cycling training session at the Rio Olympic Velodrome on July 31, 2016 in Rio de Janeiro, Brazil. (Photo by David Ramos/Getty Images)

RIO DE JANEIRO, BRAZIL - JULY 31:  Nathan Hart of Australia practices during a track cycling training session at the Rio Olympic Velodrome on July 31, 2016 in Rio de Janeiro, Brazil.  (Photo by David Ramos/Getty Images)