Running Pace Calculator
Calculate your pace per km, pace per mile, and speed for any distance.
Distance
Finishing Time
How to Calculate Running Pace
Running pace is your time per unit of distance — usually expressed as min/km or min/mile. To calculate it, divide your total finishing time by the distance. For example, if you ran a half marathon (21.1 km) in 1 hour 45 minutes, your pace is 105 ÷ 21.1 = 4:59 min/km (8:01 min/mile).
How to Convert Pace to Speed
To convert pace (min/km) to speed (km/h), divide 60 by your pace. For example, 5:00 min/km = 60 ÷ 5 = 12.0 km/h. For mph, divide 60 by your min/mile pace — a 8:00 min/mile pace = 60 ÷ 8 = 7.5 mph. This calculator shows both pace and speed automatically.
Common Race Pace Benchmarks
Sub-25 min 5K: 5:00 min/km (8:03 min/mile) · Sub-50 min 10K: 5:00 min/km (8:03 min/mile) · Sub-2h half marathon: 5:41 min/km (9:09 min/mile) · Sub-4h marathon: 5:41 min/km (9:09 min/mile) · Sub-3h marathon: 4:16 min/km (6:52 min/mile).
What Is a Good Running Pace?
A "good" pace depends on your age, gender, and experience. Here are average paces for recreational runners:
| Age Group | Men (min/km) | Women (min/km) | Men (min/mile) | Women (min/mile) |
|---|---|---|---|---|
| 20-29 | 5:00-5:30 | 5:30-6:15 | 8:03-8:51 | 8:51-10:04 |
| 30-39 | 5:15-5:45 | 5:45-6:30 | 8:27-9:15 | 9:15-10:28 |
| 40-49 | 5:30-6:15 | 6:00-7:00 | 8:51-10:04 | 9:39-11:16 |
| 50-59 | 6:00-6:45 | 6:30-7:30 | 9:39-10:52 | 10:28-12:04 |
| 60+ | 6:30-7:30 | 7:00-8:15 | 10:28-12:04 | 11:16-13:17 |
Running Pace Chart: Min/Km to Min/Mile
| Min/Km | Min/Mile | 5K Time | 10K Time | Half Marathon | Marathon |
|---|---|---|---|---|---|
| 4:00 | 6:26 | 20:00 | 40:00 | 1:24:23 | 2:48:46 |
| 4:30 | 7:15 | 22:30 | 45:00 | 1:34:56 | 3:09:53 |
| 5:00 | 8:03 | 25:00 | 50:00 | 1:45:29 | 3:31:00 |
| 5:30 | 8:51 | 27:30 | 55:00 | 1:56:02 | 3:52:06 |
| 6:00 | 9:39 | 30:00 | 1:00:00 | 2:06:35 | 4:13:13 |
| 6:30 | 10:28 | 32:30 | 1:05:00 | 2:17:08 | 4:34:19 |
| 7:00 | 11:16 | 35:00 | 1:10:00 | 2:27:41 | 4:55:26 |
| 7:30 | 12:04 | 37:30 | 1:15:00 | 2:38:14 | 5:16:33 |
| 8:00 | 12:53 | 40:00 | 1:20:00 | 2:48:47 | 5:37:39 |
How to Use Running Pace for Race Planning
Your training pace is one of the best predictors of race performance. Once you know your current pace, you can set realistic goals for upcoming races. For example, if you consistently run 5:30 min/km in training, a sub-30-minute 5K is within reach with targeted speed work.
Most coaches recommend running easy training days 60-90 seconds slower than race pace. So if your 5K race pace is 5:00 min/km, your easy runs should be around 6:00-6:30 min/km. This builds aerobic base without overtraining.
Ready for a structured plan? Try our free AI Running Plan Generator to get a personalized training program built around your current fitness and goal race.
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