# 1:25:00 Half Marathon: pace, race predictions & training paces

- **Pace**: 4:02/km · 6:29/mi
- **Speed**: 14.9 km/h · 9.3 mi/h

## Race predictions (Riegel)
- **5K**: 18:28 (3:42/km)
- **10K**: 38:31 (3:51/km)
- **Marathon**: 2:57:13 (4:12/km)

## Fitness
- **Estimated VO2max**: 54.5 ml/kg/min (Advanced)

## Training paces
- **Easy**: 4:34–5:29/km
- **Marathon**: 4:07–4:31/km
- **Threshold**: 3:58–4:10/km
- **Interval**: 3:35–3:44/km
- **Repetition**: 3:19–3:26/km

## Splits to run this time
| km | Even | Negative split |
|---|---|---|
| 5 | 20:09 | 20:57 |
| 10 | 40:17 | 41:54 |
| 15 | 1:00:26 | 1:01:25 |
| 20 | 1:20:35 | 1:20:45 |
| 21.1 | 1:25:00 | 1:25:00 |

## In the heat
- **25 °C**: 1:30:11
- **30 °C**: 1:32:50

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