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Calculator
Pace Calculator
Plan your race pace with precision.
How to Use This Tool
- Enter race distance in km.
- Enter target time in minutes.
- Get pace per km and speed in mph.
The Formula
Pace = Time / Distance. Speed = Distance / Time.
Why It Matters
You are training for a half marathon (13.1 miles) wanting to finish under 2 hours (9:09/mile pace). At this pace, mile 5 should be 45:27, mile 10 should be 1:30:54. Being 30 seconds behind at mile 10 means picking up to 8:48/mile.
Recent Activity
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