About 1.86 miles
A 3K is 1.86 miles
A 3k race means three kilometers, or 1.86 miles.
There are 1.864 miles in 3km.
3k is 1.86 miles.
Since 1 kilometer is 0.62 miles, 3K is 1.86 miles.
3k is three kilometers or 1.86 miles.
A 3K is a race that is 3 Kilometers long. 3 km = 1.86411 mi
That's about 1.87 miles. You can use google as a conversion calculator by typing your question directly in the search bar. e.g. "3 kilometers to miles"