Question: how is a 4k run?
Answer: Distance of a 4K Run As such, the term "4K" represents a distance of 4 kilometers. If you're more accustomed to tracking distances in miles, a quick calculation can help you determine the length of a 4K run in miles. One kilometer is equal to about 0.62 of a mile, which means a 4K run is equal to roughly 2.49 miles.