How long does Joe Simpson crawl for in the film and novel Touching The Void?

In both the film and the novel "Touching the Void," Joe Simpson crawls for approximately three days after he falls and breaks his leg while descending Siula Grande in the Peruvian Andes. During this time, he struggles with severe pain, exhaustion, and the harsh conditions of the mountain. His determination and will to survive drive him to crawl nearly 12 kilometers (about 7.5 miles) to reach safety.