Self-Reported characteristics of the RUN subgroup (n=1564)
| Running experience (years) | 8.8±8.2 |
| Average weekly running distance (km) | 38.6±24.2 |
| Longest distance in 1 day/session, n (%) | |
| <5 km | 13 (0.8) |
| 5 km | 36 (2.3) |
| 10 km | 179 (11.4) |
| Half-marathon (21.1 km) | 470 (30.1) |
| Marathon (42.2 km) | 419 (26.8) |
| Ultra-marathon (50 km and more) | 447 (28.6) |
| Running frequency (times/week), n (%) | |
| 1–2 | 292 (18.7) |
| 3–4 | 925 (59.1) |
| 5–6 | 294 (18.8) |
| 7+ | 53 (3.4) |
| Member of a running club/group, n (%) | 656 (41.9) |
| Current shoes, n (%)* | |
| Traditional (road), motion control | 156 (10.0) |
| Traditional (road), stability | 304 (19.4) |
| Traditional (road), neutral | 613 (39.2) |
| Traditional (trail) | 597 (38.2) |
| Maximalist (road) | 104 (6.6) |
| Maximalist (trail) | 141 (9.0) |
| Minimalist (road) | 408 (26.1) |
| Minimalist (trail) | 346 (22.1) |
| Racing flat | 132 (8.4) |
| Spike | 83 (5.3) |
| Unsure | 34 (2.2) |
*Total adds up to over 100% since respondents could report using more than one type of footwear.