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

MONZA, ITALY - MAY 05: Steve Jackson project director apparel innovation Nike (L) speaks to the media during the Nike Breaking2: Sub-Two Marathon Attempt press conference at Autodromo di Monza on May 5, 2017 in Monza, Italy. (Photo by Emilio Andreoli/Getty Images)

Getty Images Sport Emilio Andreoli