# 42:00 10K: pace, race predictions & training paces

- **Pace**: 4:12/km · 6:46/mi
- **Speed**: 14.3 km/h · 8.9 mi/h

## Race predictions (Riegel)
- **5K**: 20:08 (4:02/km)
- **Half Marathon**: 1:32:40 (4:24/km)
- **Marathon**: 3:13:12 (4:35/km)

## Fitness
- **Estimated VO2max**: 49.1 ml/kg/min (Strong)

## Training paces
- **Easy**: 4:58–5:57/km
- **Marathon**: 4:29–4:55/km
- **Threshold**: 4:19–4:32/km
- **Interval**: 3:53–4:03/km
- **Repetition**: 3:36–3:44/km

## Splits to run this time
| km | Even | Negative split |
|---|---|---|
| 1 | 4:12 | 4:22 |
| 2 | 8:24 | 8:44 |
| 3 | 12:36 | 13:06 |
| 4 | 16:48 | 17:28 |
| 5 | 21:00 | 21:50 |
| 6 | 25:12 | 25:52 |
| 7 | 29:24 | 29:54 |
| 8 | 33:36 | 33:56 |
| 9 | 37:48 | 37:58 |
| 10 | 42:00 | 42:00 |

## In the heat
- **25 °C**: 43:16
- **30 °C**: 43:55

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