Summary of heart rate data
| Group | Peak heart rate (beats/min) | Mean heart rate (beats/min) | Within-race heart rate standard deviation (beats/min) | Average change in heart rate at controls (beats/min) |
|---|---|---|---|---|
| Values are mean (SD). | ||||
| National group (n=8) | 181 (11) | 170 (11) | 6 (2) | 5 (1) |
| Club group (n=10) | 179 (9) | 158 (11) | 12 (2) | 17 (4) |