IAAF World Indoor Championships - Day 2
(L-R) Erik Sowinski of the United States and Musaeb Abdulrahman Balla of Qatar compete in the Men's 800 metre heats during day two of the IAAF World Indoor Championships at Oregon Convention Center on March 18, 2016 in Portland, Oregon.
(March 17, 2016 - Source: Christian Petersen/Getty Images North America) more pics from this album »