# 40:00 10K: pace, race predictions & training paces

- **Pace**: 4:00/km · 6:26/mi
- **Speed**: 15.0 km/h · 9.3 mi/h

## Race predictions (Riegel)
- **5K**: 19:11 (3:50/km)
- **Half Marathon**: 1:28:15 (4:11/km)
- **Marathon**: 3:04:00 (4:22/km)

## Fitness
- **Estimated VO2max**: 51.9 ml/kg/min (Advanced)

## Training paces
- **Easy**: 4:45–5:42/km
- **Marathon**: 4:17–4:42/km
- **Threshold**: 4:08–4:20/km
- **Interval**: 3:43–3:53/km
- **Repetition**: 3:27–3:35/km

## Splits to run this time
| km | Even | Negative split |
|---|---|---|
| 1 | 4:00 | 4:10 |
| 2 | 8:00 | 8:19 |
| 3 | 12:00 | 12:29 |
| 4 | 16:00 | 16:38 |
| 5 | 20:00 | 20:48 |
| 6 | 24:00 | 24:38 |
| 7 | 28:00 | 28:29 |
| 8 | 32:00 | 32:19 |
| 9 | 36:00 | 36:10 |
| 10 | 40:00 | 40:00 |

## In the heat
- **25 °C**: 41:09
- **30 °C**: 41:44

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