RIO DE JANEIRO, BRAZIL - AUGUST 17:  New Zealand distance runner, Nikki Hamblin and American runner, Abbey D'Agostino pose for a portrait on August 17, 2016 in Rio de Janeiro, Brazil. Hamblin and D'Agostino came last in their 5000m heat on Tuesday after they collided and fell midway through their race. The pair have been commended for their sportsmanship after they helped each other up to finish the race.  (Photo by Chris Graythen/Getty Images)