Half Marathon Pace Calculator
Calculate half marathon pace with Calculator 360 using the available inputs.
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How to use this calculator
Calculate pace, projected finish time, and checkpoints for the official 21.0975 km half marathon. This is approximately 13.1094 miles; “13.1 miles” is a rounded description.
Choose the relevant mode and units, enter the needed values, and review the result and its stated limits.
The calculation keeps the official 21.0975 km distance without substituting a rounded 13.1-mile value. References: World Athletics: road-running distances ·
Frequently asked questions
What does this tool calculate?
Calculate pace, projected finish time, and checkpoints for the official 21.0975 km half marathon. This is approximately 13.1094 miles; “13.1 miles” is a rounded description.
Which inputs are used?
The calculation uses the values and units you enter in this form.