Calculate your running pace, predicted race times for 5K through marathon, and mile splits to hit your goal.
Your running pace is the time it takes to cover one mile or one kilometer. To calculate pace, divide your total time by the distance. For example, if you run 3.1 miles (5K) in 30 minutes, your pace is 30/3.1 = 9:41 per mile. Use our running pace calculator to instantly convert between time, distance, and pace.
Common race distances: 5K = 3.107 miles. 10K = 6.214 miles. Half marathon = 13.109 miles. Full marathon = 26.219 miles. A 10-minute mile pace for a marathon gives a finish time of about 4:22. A 9-minute mile pace gives approximately 3:56.