Organized by the Sri Chinmoy Marathon Team the run took place in July.

Since 2017, the race was held outdoors at the Asticou Training Centrein Gatineau, Quebec (3 km from Ottawa).

It was the longest-running 24 hour race and oldest timed ultrarace worldwide.

[citation needed] The event last took place in 2022 with a 6 hour race.

During the first race in May 1981, Al Howie set the Canadian and North American record, with a final distance of 239.987 km.