In 2009, he was a participant in the Mongol Rally, where he filmed Tupac In Kazakhstan, the most-viewed video related to the rally.
World Rally Championship | Rally | Dakar Rally | Mongol Empire | rally | Mongol | European Rally Championship | Rally of the French People | National Rally for Democracy | 2013 World Rally Championship-2 season | Mongol invasion of Poland | Australian Rally Championship | Turco-Mongol | The Gumball Rally | Safari Rally | Rally for the Republic | Rally Australia | Popular Orthodox Rally | Nuremberg Rally | Humo's Rock Rally | Asia-Pacific Rally Championship | 1970 London to Mexico World Cup Rally | Sturgis Motorcycle Rally | Rally of the Togolese People | Intercontinental Rally Challenge | Wales Rally GB | Rally of Democratic Forces | Rally for Congolese Democracy | People's Rally for Progress | National Popular Rally |
In July 2008, Hewer took part in the charity drive event, the Mongol Rally, in a Renault 4, driving from London to Ulan Bator.