As I was watching people falling to the ground not from the sheer exhaustion and exhilartion of competing something I consider to be one of the greatest physical achievements but from a bloody bomb exploding right when they are about to cross the line simply broke my heart. These people and their families have gone through years and months living with the idea of this race. They completed the race with a time I can only dream of (04:09:52). And for this to happen…