Competitors in outboard motorboats race in Illinois, United States of America (USA).
Item title reads - The outboarders' "Derby". 75 start in 200 mile race ... winner averaged 45 miles per hour. Illinois, United States of America (USA).
L/S of the outboard motorboats speeding along the water. M/S of the lead boat with another close behind. Various shots of the competitors.
Intertitle - 'a casualty.' M/S of one boat near the bank, smoke billows out of it. Two men in the water turn it over to dowse the flames.