The collection of cool maps includes NYC, Boston Chicago and the Marine Corps Marathon.

He actually got Facebook messages from 12 different women. He wrote it on his back because he was trying to target runners rather than spectators.

RD Carrey Pinkowski tells Kenyans who had a problem with no pacers they can go to Berlin next year.

Race director Carey Pinkowski: "We have always tried to blend pace and competition. But the athletes relied too much on the pace up front, and the chemistry of the competition has become too much about settling in behind the rabbits. Without the rabbits, the leaders need a much greater level of concentration. That will allow us to see more tactics, strategy and competition throughout the race. ... Great competition produces great performances."