How many miles are in a 3K race? Leave a Comment / GeneralFinest ReplySince 1 kilometer is 0.62 miles, 3K is 1.86 miles.Extra Solutions1 kilometer = 0.62 milesRead More: What tims is 9pm PST in Central time? How many linear ft in 1 acre? Related posts:What logo is red with a woman with blowing hair? How many days in 8 months? The rate at which work is done is called? What is half of 72? What was true of the one drop rule? READ: How many valence electrons are there argon?