Long-distance running – all-weather tracks, roads and natural terrain, respectively. Typical long-distance track races range from 3000 metres to 10,000 metres (6.2 miles), cross country races usually cover 5 to 12 km (3 to 7½ miles), while road races can be significantly longer, reaching 100 kilometres (60 miles) and beyond. In collegiate cross country races in the United States, men race 8000 or 10000 meters, depending on their division, whereas women race 6000 meters . The Summer Olympics features three long-distance running events: the 5000 metres, 10,000 metres and marathon (42.195 kilometres, or 26 miles and 385 yards). Since the late 1980s,
Colorado Colfax Marathon Kindergarten to 8th grade students. It is a run that is only . The students run the other in training. The training lasts from February to early May. The race is usually planned to be held in the middle of May. The event is held at the Colorado Mills Mall. The students run through a path in the parking lot around the mall area. 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