Question: how long to run 5k marathon?
Answer: Average time and pace Everyday runners can aim to complete a mile in about 9 to 12 minutes. This means you'll finish a 5K in about 28 to 37 minutes. Walkers can expect to complete a mile in about 15 to 20 minutes. Walking at a brisk pace should enable you to finish a 5K at around the hour mark.