Nike Breaking2: Sub-Two Marathon Attempt [Getty Images]

MONZA, ITALY - MAY 06: Lelisa Desisa, Zersenay Tadese and Eliud Kipchoge on the start line attend the Nike Breaking2: Sub-Two Marathon Attempt at Autodromo di Monza on May 6, 2017 in Monza, Italy. (Photo by Pier Marco Tacca/Getty Images)

Getty Images Sport Pier Marco Tacca