This is the most exciting innovation that long distance running has ever witnessed.

As we continue to explore the universe, we are proud that NASA's pioneering efforts keep fueling American creativity, innovation and technology development. This new product is yet another example of the additional dividends Americans reap from their investment in space exploration.

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

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

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

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