Calgary Marathon Calgary Marathon The Scotiabank Calgary Marathon is an annual race held in Calgary, Alberta, Canada .As the longest running marathon event in Canada, it has a certified running distance of 26 miles and 385 yards (42.195 km). Last year's marathon was sold out and approximately 9,000 people are expected to participate this year. The marathon is certified by Athletics Canada and is a registered AIMS Marathon, and therefore can be used as a qualifying marathon race. In late 2013, it was announced that the Calgary Marathon would also host a one-time only 50 kilometer ultramarathon in 2014 to commemorate the
Athletics at the 1908 Summer Olympics – Men's marathon Olympic Association that the 1908 Olympics would include a marathon of about 25 miles or 40 kilometres. The British Olympic Council handed responsibility for organising the Marathon to the Amateur Athletic Association, but they had no experience at organising a road race of such a length. In late 1907, an offer was made by Jack Andrew honorary secretary of the Polytechnic Harriers to take over the task. This was accepted in February 1908, though already, in November 1907, a route of "about 25 to 26 miles in distance" had been published in the newspapers, starting at Windsor Castle and finishing