How many miles is the running event held every Saturday morning in fifteen countries across five continents?
Parkrun 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.
IAAF World Championships in Athletics The IAAF World Championships, commonly referred to as the World Championships in Athletics, is a biennial athletics event organized by the International Association of Athletics Federations (IAAF). Originally held every four years, first in 1983, the current two-year cycle began in 1991.