Run the
numbers.
Pace calculator
Calculate pace, time or distance, updating as you type.
Calculator
Splits
Splits follow your chosen unit: every kilometre, or every mile, assuming an even pace.
| Split | Segment | Cumulative |
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Calculate a result above and your splits will appear here.
Race predictions
Women's world record Men's world record Hover records to see more details
Enter a distance and time above to project your race times.