Fitness & Running
Marathon Pace Calculator
Calculate marathon pace, half marathon checkpoint splits, and per-mile/km pace targets for 26.2 miles. Plan your marathon race day strategy.
Pace & Speed Calculator
Estimated Pace & Duration
8:03 /mi (4:59 /km)
Frequently Asked Questions
What pace is needed to run a 4-hour marathon?
A 4:00:00 marathon requires an average pace of 9:09 per mile (5:41 per kilometer) with a halfway split of 1:59:59.
What is a negative split in a marathon?
A negative split means running the second half of the marathon (miles 13.1 to 26.2) slightly faster than the first half, which exercise physiologists identify as the optimal marathon strategy.
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