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.
About
Breaking2
Documentary
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.
Information
- Studio
- Nat Geo Channel
- Released
- 2017
- © 2017 National Geographic Partners, LLC. All rights reserved.
Languages
- Original Audio
- English (United States)
- Audio and Subtitles
- English (United States) (AAC, Dolby 5.1, CC)
Accessibility
- Closed captions (CC) refer to subtitles in the available language with the addition of relevant non-dialogue information.