WORLD CIVILIZATION

Detailed explanation-1: -The marathon is a long-distance foot race with a distance of 42.195 km (26 mi 385 yd), usually run as a road race, but the distance can be covered on trail routes. The marathon can be completed by running or with a run/walk strategy.

Detailed explanation-2: -The longest race on the Olympic programme, athletes run a distance of 26 miles and 385 yards (42.195km). The event takes place on the road and the finishing order of the race is determined by time. Refuelling stations appear every 5km on a marathon course for the athletes.

Detailed explanation-3: -An ultramarathon, also called ultra distance or ultra running, is any footrace longer than the traditional marathon length of 42.195 kilometres (26 mi 385 yd). Various distances are raced competitively, from the shortest common ultramarathon of 50 kilometres (31 mi) to over 200 miles (320 km).