Canadian Wheelmen's Assocation race, 1910

Photograph of a Dunlop Tire promotional postcard depicting a motorcycle race and a bicycle race held by the Canadian Wheelmen's Association at Waterloo Park race track.  Source:  OurOntario.

The Canadian Wheelmen's Association was founded in 1882, keeping that name until 1968 when it became the Canadian Cycling Association.  Apparently, early in its evolution members included both bicyclists and motorcyclists.