Marathon Pace Calculator
Enter a goal finish time to get the required per-km/mile pace, or enter a pace to get the finish time.
Input Data
Compute pace from time, or time from pace.
Hours
Minutes
Seconds
Pace Min
Pace Sec
Results
Computed pace.
5:41 /km
Computed finish time.
4:00:00
Explanatory note about the result.
完賽 4:00:00 ÷ 42.195 = 配速 5:41 /km。
At a glance:Marathon = 42.195 km. pace = finishTime / 42.195; finishTime = pace × 42.195. Switch mode to solve either way. Complements pace-calculator and running.
Formula
pace (per km) = finishTime(s) / 42195.
finishTime = pace × 42.195 km.
How to Use
- Enter a goal finish time (h/m/s) to get pace, or enter a pace to get finish time.
- Pick km or mile mode.
Case Studies
Goal 3:30:00 → 4:58/km
12600 s / 42.195 ≈ 298.6 s/km = 4:58.6 per km.
FAQ
Why plan by pace?
Even splits by pace is the most reliable way to hit a goal marathon time.
Related Tools
References
Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.