Conditioning · Riegel
Pace & Race Predictor
Turn one finish time into your pace, speed, and equivalent times from the mile to the marathon.
Finish time
Pace · per mile
8:03/mi
That's 25:00 for 5K.
Splits & speed
Per mile8:03 /mi
Per kilometre5:00 /km
Speed7.46 mph · 12 km/h
Equivalent race times
| Distance | Predicted | Pace / mi |
|---|---|---|
| 1 mile | 7:31 | 7:31 |
| 5K | 25:00 | 8:03 |
| 10K | 52:07 | 8:23 |
| Half marathon | 1:55:00 | 8:46 |
| Marathon | 3:59:47 | 9:09 |
Riegel's model (T₂ = T₁ · (D₂/D₁)^1.06). Accurate for well-paced efforts; it assumes even fitness across distances.