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
Bangkok Marathon miles) to 27.6 km (17.1 miles). According to organisers, the increase was due to the race officials directing runners to take a turn at the wrong place which added over 3 km extra to each of the two laps. The mistake sparked humour and outcry in the social and news media. "The Guardian" called it "world's longest half marathon". Some comments on social media called it a "Super Half Marathon", while some called it a byproduct of "race inflation". Organizers apologized for the mistake and decided to offer a T-shirt saying "Finisher of 27.6 km" to participants who completed the