Question: How many miles is the running event held every Saturday morning in fifteen countries across five continents?

Related documents: [0]  [DOC] Parkrun (styled as parkrun) is the name given to a collection of five-kilometre running events that take place every Saturday morning in fifteen countries across five continents. Each Parkrun territory has its own sponsors. Events are run by volunteers, and participation is free of charge. [END] 
[1]  [DOC] The 5K run is a long-distance road running competition over a distance of five kilometres (3.1 miles). Also referred to as the 5K road race, 5 km, or simply 5K, it is the shortest of the most common road running distances. It is usually distinguished from the 5000 metres track running event by stating the distance in kilometres, rather than metres. [END]  
Answer: 3.1 miles
3.1 miles