Table 1

Physical and training characteristics of very high volume runners, high volume runners, and controls

Very high volumeHigh volumeControls
Data are expressed as mean (SD) [range].
*Significantly different from controls (p<0.05).
NA, not applicable.
n5712
Age (years)49.1 (5.2) [41–52]48.0 (4.3) [42–55]47.4 (5.3) [40–55]
Weight (kg)72.0 (4.6) [64.5–89.4]72.1 (8.7) [68.6–80.0]76.7 (6.2) [68.9–86.2]
Height (m)1.84 (0.07) [1.77–1.92]1.81 (0.05) [1.74–1.88]1.80 (0.06) [1.71–1.90]
Body mass index (kg/m2)21.3 (2.5) [18.7–24.6]22.1 (2.8) [19.4–27.2]23.6 (1.7) [21.1–26.1]
Sum of 7 skinfolds (mm)64.4 (17.7)* [40.3–85.9]68.8 (27.9)* [32.8–106.3]107.0 (25.0) [48.5–140.2]
Running volume (km/week)101 (7.0) [96–112]69 (6.0) [64–80]NA
Training (hours/week)10.6 (2.6) [8–15]9.1 (1.9) [7.5–13]4.8 (2.5) [2.5–10]
Weight training (hours/week)0.9 (0.7) [0–2]0.7 (0.9) [0–2]1.6 (1.3) [0–4]
Calcium intake (mg/day)1090 (310) [680–1580]1050 (330) [620–1470]870 (650) [310–2460]
Energy intake (kcal/day)2650 (700) [1980–3500]2407 (590) [1570–3110]2120 (390) [1690–2620]