In the Depression-hit America of the 1920s, a get-rich-quick promoter offered fabulous prizes for a 3,000-mile trans-continental footrace.
Hundreds of runners attempted the route from Los Angeles to New York, which took them across the sun-scorched Mojave Desert and the snow-bound Rockies.
Tom McNab recounts the story of the first trans-continental footrace.
Producer ANNE HINDS BBC Pebble Mill (R)