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
Colorado Colfax Marathon Colorado Colfax Marathon The Colorado Colfax Marathon is an annual marathon foot-race established in 2006 in Colorado, United States. The course followed Colfax Avenue for 26.2 miles (42.2 km), starting in Aurora, heading west through Denver and finishing in Lakewood. About 6,000 people took part in the inaugural event in 2006. The course changed in 2008 to start and finish in Denver's City Park, with only portions of it on Colfax Avenue. The full marathon heads west to Lakewood and back; the half marathon east to Aurora and back. In addition to the main event, a half marathon, a relay