Information on the period 1908 to 1922 is scanty, but it seems that apart from the periods of war the Brickwood Trophy was competed for each year. There have been many changes to the competition. The 1907 challenge involved a team of 17 scaling a obstacle on a course and returning. In 1947 the course consisted of seven "very stiff obstacles" over a distance of each way. Today 18 strong teams compete over an flat track, a total run of .