Kevin of the North (2001)

Kevin Manley is a travel salesman from LA. When handed a huge inheritance by his grandfather he travels to Alaska for the adventure he's always longed for in his life. There he meets Bonnie Livengood, who he forms a friendship with, later realising she is the arche-enemy of his grandfather. He commits himself as a competitor of the Iditarod mushing race as a condition of his inheritance and embarks on the mission of his life. Along the way he defeats fellow competitors and enemies Thornton, Carter, and Parker.