EUGENE, OR - JULY 24: Mary Cain of the U.S. celebrates winning the 3000m final during day three of the IAAF World Junior Championships at Hayward Field on July 24, 2014 in Eugene, Oregon. (Photo by Jonathan Ferrey/Getty Images)
EUGENE, OR - JULY 24: Mary Cain of the U.S. celebrates winning the 3000m final during day three of the IAAF World Junior Championships at Hayward Field on July 24, 2014 in Eugene, Oregon. (Photo by Jonathan Ferrey/Getty Images)