The World Marathon Majors marks the first time in the sport's history that the world's top five races have joined together for the common good and promotion of the sport by creating a unified global circuit of the sport's best and most prestigious 26.2-mile championships.

There is a fair amount of self-policing among the runners.

Everything is influenced by the fact that the athletes can't - and we don't want to encourage them to - run more.

Boston has been at the beginning of so many revolutions and this is another one for the sport.

Another American Revolution has begun. It began here in Boston, and we'll see more of these American athletes in the future.

We feel like we're at a different level, and we felt we have an obligation to bring the sport into the future.

You're going to see it play out and grow in interest.

The world marathon majors marks the first time in the sport's history that the world's top five races have joined together for the common good and the promotion of the sport by creating a unified global circuit.