In 2006 and 2007, he was co-leader of the expedition Running the Sahara, an on-foot crossing of North Africa from the Atlantic Ocean beach in Senegal to the beach at the Suez in Egypt. The expedition was filmed and edited into a documentary film, "Running the Sahara", narrated by Matt Damon and released in 2007 with the logistics support of Sam Rutherford at prepare2go.com. The project began in Senegal and went through Mauritania, Mali, Niger and Libya, before culminating in Egypt. Runners included Charlie Engle, Ray Zahab and Kevin Lin.