This official car followed the motorcycles in an endurance race from Seattle to Vancouver, B.C. and carried two judges as well as tires and repair parts for the machines. The car was furnished by Goodyear Tire and Rubber Company, and according to the news article published June 11, it kept behind the motorcylists, ready to pick up stragglers in the race. The men in the car are identified as: H.E. MacDonald of Goodyear, one of the judges; A.E. Paulsen of San Francisco; Dr. A.W. Hawley, President of the Seattle Motorcyle Club and a judge; Harold Morton, manager of the local Goodyear branch; Harry Bigelow, mechanic; and Clyde R. Rowan, driver.

Sign on car: Official Car, Seattle Motorcycle Club - Endurance Run to [Vancouver] B.C. June 4, 1911.
Other signs in image: We Sell the Earth - J.G. Leslie & Co. T.J. Hyde. Billiards. Dr. W.T. Akey. Pioneer Drug Co. [Ke...th] Hotel.
Handwritten on sleeve: Motorcycle Club, 1911. Published in Seattle Post-Intelligencer Sunday June 11, 1911.