Cyclist Marguerite Wilson demonstrates bicycle mounted on rollers (works like exercise bike).
Title reads: "Roller Racing".
Location of events unknown.
Champion cyclist Marguerite Wilson gives demonstration of bicycle mounted on rollers (works like an exercise bike). Various shots of Marguerite attempting a speed record on the bike. An audience watches, sitting behind a desk are several judges and time keepers. A large clock behind Marguerite shows the distance she has cycled. Various shots of four men "racing" on roller-mounted bicycles.