Two years ago, Dean Karnazes, aka the ultramarathon man complete an incredible challenge : running 50 marathons in 50 different states in 50 consecutive days.
A movie had been shot during the whole challenge. It will be released on July 31st.
If you live in the US, you can check where the movie will be presented on 50marathons.com
If you have seen the movie, let us know what you think of it in the comments.