This calculator will help you to predict your race time based on a previously completed race. It is based on the formula created by Peter Riegel. For details on the formula and the math read the how to guide .
Input Data
| Completed Race |
5 km
10 km half marathon marathon |
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|---|---|---|---|
| Finish Time |
|
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| min | |||
| sec | |||
| Target Race |
5 km
10 km half marathon marathon |
||
| Riegel Constant | |||
Results
| Predicted Time | : : hours |
|---|
