As part of WIRED\u2019s exclusive look at Breaking2, Nike\u2019s revolutionary attempt to break the two-hour marathon mark, our writer is using the same training regime, apparel, and expertise as Nike\u2019s three elite athletes to try to achieve his own personal milestone: a sub-90-minute half-marathon. This is the first in a series of monthly updates on his progress. Running is a simple sport: lace \u2019em up, and put one foot in front of the other.