Subject characteristics
| Variable | Mean (SD) |
|---|---|
| Age (years) | 43 (10) |
| Height (cm) | 170 (10) |
| Weight (kg) | 64 (13) |
| Body fat (%) | 14 (3) |
| V˙o2max (ml/kg/min) | 57.5 (6) |
| Heart rate maximum (beats/min) | 172 (15) |
| Weekly training distance (km/week) | 58 (17) |
| Race time (hours) | 9.45 (1.1) |