Breaking2

After six months of scientifically advanced training, three of the world's most elite distance runners set out to break the two-hour marathon barrier. These pioneers go on a global trek to defy the unthinkable and break the two-hour feat, from testing in wind tunnels and running labs in the United States, to balancing training with their day-to- day lives in eastern Africa, to the final heart-pounding race in Italy.

Genre: Documentary ,

Country: United States of America ,

Production Companies: National Geographic,

Type: movie

Duration: 0h 55m

Quality: HD

Release: 2017-09-20

Rating: 8.3