Baseline characteristics
| N=678 | |
| Gender (female) | 331 (48.8%) |
| Age (years) | 43.9 (11.6) |
| Height (cm) | 177.2 (9.1) |
| Weight (kg) | 74.8 (12.6) |
| BMI (kg/m2) | 23.7 (2.9) |
| Injury history last 12 months (yes) | 215 (31.7%) |
| Main sport running (yes) | 499 (73.6%) |
| Injured during event or in preparation | 142 (20.1%) |
| Knee | 27 (19.0%) |
| Lower leg (back) | 27 (19.0%) |
| Achilles tendon | 20 (14.1%) |
| Lower back | 13 (9.2%) |
| Distance/week in preparation | |
| <5 km | 50 (7.4%) |
| 5–10 km | 130 (19.2%) |
| 10–20 km | 255 (37.6%) |
| 20−30 km | 156 (23.0%) |
| >30 km | 87 (12.8%) |
| Training period | |
| Not or hardly | 48 (7.1%) |
| 1–5 weeks training | 52 (7.7%) |
| 6–11 weeks training | 65 (9.6%) |
| >12 weeks | 89 (13.1%) |
| Training throughout the year | 424 (62.5%) |
| Training hours (training period) | 50.9 (95.6) |
| Use of a sport watch | |
| Yes | 393 (58.0%) |
| No | 285 (42.0%) |
| Use of an application | |
| Yes | 313 (46.2%) |
| No | 365 (53.8%) |
| Registered for | |
| 8 km | 128 (18.9%) |
| 16 km | 521 (76.8%) |
| Both distances | 29 (4.3%) |
BMI, body mass index.