Running Pace Calculator
Calculate running pace, finish time, or distance — with common race splits (5K, 10K, half, full).
Race splits at this pace
| Distance | Time |
|---|---|
| 5K | 25:00 |
| 10K | 50:00 |
| 15K | 1:15:00 |
| Half marathon | 1:45:29 |
| Marathon | 3:30:59 |
Disclaimer: Estimates for training planning only. Consult a physician before starting any running program. Not medical advice.
Frequently Asked Questions
How do I enter time?
Use mm:ss for pace (e.g., 8:30) or hh:mm:ss for total time (e.g., 1:45:30). The calculator updates automatically when any two fields are valid.
What are the distance presets?
5K (5.0 km), 10K (10.0 km), 15K (15.0 km), Half marathon (21.0975 km / 13.1094 mi), and Marathon (42.195 km / 26.2188 mi).