How long does it take a professional runner to run a 18k (18km)?
Answer: on average it takes a professional runner 48 minutes and 51 seconds to run a 18k (18km).
This assumes an average running speed of 2.71 minutes per kilometer which is the typical running pace for a professional runner over a 18k (18km).
Running Time Calculator
Calculate how long it will take to run a specific distance
Running Time Calculator
Calculate how long it will take to run a specific distance