Marathon Pace Calculator
Calculate marathon running pace, finish time, and split times from target time or pace per mile/km.
Marathon Pace Explained
This Marathon Pace Calculator converts between finish time and running pace for the standard marathon distance of 42.195 km (26.2188 miles). Switch between finish-time-to-pace and pace-to-finish-time modes. For shorter distances, try our Half Marathon Pace Calculator.
Marathon Distance
A marathon is exactly 42.195 km or 26.2188 miles. Pace is calculated as total time divided by distance, expressed in minutes per kilometer or minutes per mile.
Planning Your Race
Enter your target finish time to see the required pace per km and per mile, plus equivalent running speed in km/h and mph. Or enter your training pace to estimate your marathon finish time.
Frequently Asked Questions
How long is a marathon?
A marathon is 42.195 kilometers or 26.2188 miles — the standard distance used in major road races worldwide.
How do I calculate marathon pace?
Divide your finish time in seconds by 42.195 to get seconds per kilometer, then convert to minutes and seconds per km.
What is a good marathon time?
Finishing under 4 hours (sub-5:41/km pace) is a common goal for recreational runners. Competitive runners often target under 3 hours.
Can I enter pace in minutes per mile?
Yes. In pace-to-time mode, select minutes per mile as your pace unit and the calculator will estimate your marathon finish time.
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