Racing speedboats, USA, c.1950

The video explores the thrilling world of water racing in the Sammamish Slough near Seattle. It describes a 25-mile marathon where drivers navigate narrow channels with skill and fearlessness. The focus is on the challenges faced by these 'motor maniacs' as they push their limits in a demanding course.

How long is the marathon mentioned in the text?

What emotions or attitudes do the drivers exhibit according to the text?