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
Marathon swimming Marathon swimming Marathon swimming is a class of open water swimming defined by long distances (at least 10 kilometers) and traditional rules based in English Channel swimming. Unlike marathon foot-races which have a specifically defined distance, "marathon swims" vary in distance. However, one commonly used minimum definition is 10 kilometers, the distance of the marathon swimming event at the Olympic Games. As in all open water swimming, tides, surface currents and wind-chop are major determinants of finish-times. For a given course, these factors can vary dramatically from day to day, making any attempt to draw conclusions about athletic ability by