About Running Pace & Race Time Calculator (5K, 10K, Marathon)
Plan your training and race day goals. Converts between race time, distance, and running pace in minutes per kilometer (min/km) and minutes per mile (min/mi) for 5K, 10K, Half Marathon, Full Marathon, and custom distances.
Key Capabilities & Features
- Calculates running pace in min/km and min/mile
- Race presets: 5K, 10K, Half Marathon, and Full Marathon
- Running speed in km/h and mph
- Split times schedule table for race pacing
How to Use Running Pace & Race Time Calculator (5K, 10K, Marathon)
Select Race
Pick 5K, 10K, Half Marathon, or enter a custom distance.
Enter Time
Input hours, minutes, and seconds.
Review Pace
Inspect required pace per km/mile and kilometer split times.
Privacy & In-Browser Execution Guarantee
Fitness and pacing calculations run locally on your device.
Frequently Asked Questions
How do I calculate my required running pace to finish a race in a goal time?
Select your target race distance (5K, 10K, Half Marathon, Full Marathon, or custom miles/km) and enter your desired finish time. The calculator outputs the exact split pace needed per mile and per kilometer.
Can I calculate my race finish time based on my current training pace?
Yes. By entering your average training pace per mile or kilometer and your target distance, the tool instantly predicts your expected overall finish time.
Does this calculator generate intermediate mile and kilometer split tables?
Yes. The tool outputs a complete split pacing chart showing the cumulative elapsed clock time at every single mile or kilometer marker along the course.