Weather conditions for the ultra-endurance events at which the trial was performed
| Ironman 2006 | Ironman 2007 | Comrades Marathon 2006 | |
|---|---|---|---|
| Mean temperature (°C) | 20 | 18 | 17 |
| Max temperature (°C) | 21 | 21 | 22 |
| Min temperature (°C) | 19 | 14 | 12 |
| Average humidity (%) | 75 | 56 | 75 |
| Maximum humidity (%) | 88 | 94 | 94 |
| Minimum humidity (%) | 55 | 32 | 47 |
| Wind speed (km/h) | 28 | 17 | 4 |