Walter Sanger competed before record keeping in sports had become a science, but what information is known about the Milwaukee biker is impressive. Sanger earned the nickname "Wooden Shoes" for his footgear. He was one of the top bike racers of his day in the 1890s. He won 100 amateur races and 35 as a pro. Sanger was known for his hard-driving legs in the sprint and also for his stamina in longer races.