Video: How a Team of Elite Runners Set Out to Break the 2 Hour Marathon Barrier

Earlier this year, a team of elite marathon runners, backed by Nike, set out to break the two-hour marathon mark. That’s an ambitious goal, but one that has been just out of reach for sometime now. But with special gear, intense preparation and planning, and a carefully controlled environment, they set out to see if it could be achieved. This full-length documentary dubbed Breaking2 shares their story.

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