Clinical characteristics and race history of muscle cramping in the cramping group (n = 21)
| Category | Subcategory | Percentage |
|---|---|---|
| Values are percentage of total group. | ||
| Muscle group | Quadriceps | 38% |
| Hamstring | 48% | |
| Gastrocnemius | 14% | |
| Other | 5% | |
| Race distance when cramp started | <28 km | 0% |
| 28 to 42 km | 33% | |
| >42 km | 67% | |
| Duration of cramping episode | <30 s | 38% |
| 30 to 120 s | 38% | |
| >120 s | 24% | |
| Number of recurring episodes | 0 | 10% |
| 1–2 | 19% | |
| 3–4 | 38% | |
| >4 | 33% | |
| Cramping severity | Mild | 43% |
| Moderate/severe | 57% | |
| Relieving factors | Stretching | 52% |
| Massage | 24% | |
| Slowing race pace | 76% | |