Percentage of the 1338 runners with specific symptoms experienced in the 8–12 days before the endurance race
| Symptom experienced | Number of runners | % runners with the symptom (n=1338) |
|---|---|---|
| Sore throat | 452 | 33.8 |
| Runny nose | 392 | 29.3 |
| General tiredness | 365 | 27.3 |
| Blocked nose | 305 | 22.8 |
| Headache* | 296 | 22.1 |
| General muscle pains* | 282 | 21.1 |
| Cough* | 243 | 18.2 |
| Diarrhoea | 154 | 11.5 |
| General joint pains* | 149 | 11.1 |
| Fever* | 105 | 7.9 |
| Sore ears | 98 | 7.3 |
| Abdominal pain | 98 | 7.3 |
| Nausea | 65 | 4.9 |
| Wheezing | 48 | 3.6 |
| Bladder infection | 40 | 3.0 |
| Skin rash | 16 | 1.2 |
| Vomiting | 15 | 1.1 |
| Other symptoms | 26 | 1.9 |
*Classified as acute systemic symptoms.