Ueli Steck may be the greatest speed alpinist the world has ever seen. In this film he tells the stories of his record-breaking ascents in the Alps, accompanied by stunning aerial footage of him racing up 8,000 foot alpine faces. Ueli joins Alex Honnold in Yosemite to attempt speed records there. His ultimate goal: take his one-man alpine speed game to the largest, highest walls in the world.

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