see more

PORTLAND, OR - MARCH 19: Sifan Hassan of the Netherlands celebrates winning gold in the Women's 1500 Metres Final during day three of the IAAF World Indoor Championships at Oregon Convention Center on March 19, 2016 in Portland, Oregon. (Photo by Christian Petersen/Getty Images for IAAF)

PORTLAND, OR - MARCH 19:  Sifan Hassan of the Netherlands celebrates winning gold in the Women's 1500 Metres Final during day three of the IAAF World Indoor Championships at Oregon Convention Center on March 19, 2016 in Portland, Oregon.  (Photo by Christian Petersen/Getty Images for IAAF)