# 45:00 5K: pace, race predictions & training paces

- **Pace**: 9:00/km · 14:29/mi
- **Speed**: 6.7 km/h · 4.1 mi/h

## Race predictions (Riegel)
- **10K**: 1:33:49 (9:23/km)
- **Half Marathon**: 3:27:00 (9:49/km)
- **Marathon**: 7:11:35 (10:14/km)

## Fitness
- **Estimated VO2max**: 18.7 ml/kg/min (Active)

## Training paces
- **Easy**: 10:26–12:12/km
- **Marathon**: 9:31–10:20/km
- **Threshold**: 9:12–9:36/km
- **Interval**: 8:21–8:41/km
- **Repetition**: 7:46–8:03/km

## Splits to run this time
| km | Even | Negative split |
|---|---|---|
| 1 | 9:00 | 9:22 |
| 2 | 18:00 | 18:43 |
| 3 | 27:00 | 27:43 |
| 4 | 36:00 | 36:22 |
| 5 | 45:00 | 45:00 |

## In the heat
- **25 °C**: 46:27
- **30 °C**: 47:12

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[Result Breakdown](https://calcpace.app/result) | [Calculators](https://calcpace.app/calculator.md)