| power: | watt |
| speed: | |
| pace: | |
| 5k: | |
| 10k: | |
| semi-marathon: | |
| marathon: |
The average heart rate for an effort at a given running power maintained for 4 minutes is represented in the following graph. The average variation of it is taken into account. In the case of a regular rhythm, it is close to zero, but during an interval session it can be up to 50W.
| power variance: | +⁄− watt |
| power: | watt |
| power variance: | +⁄− watt |
| heart rate: | --- ppm |