Table 1 Baseline characteristics, responses to graded exercise testing (GXT), and ultra-marathon records. Data are in median (interquartile ranges).
| Characteristics |
All subjects (n=24) |
| Age (years) |
49.5 (47 - 54) |
| Height (m) |
168.3 (164.2 - 171.8) |
| Weight (kg) |
65.5 (64.2 - 71.4) |
| BMI (kg·m-2) |
23.7 (23.7 - 25.0) |
| Marathon experience (month) |
120.0 (78.8 - 141.8) |
| Number of participated marathons |
37.5 (20.0 - 60.8) |
| Average completion time (min) |
218 (202.75 - 230) |
| Record time (min) (n =20) |
198.0 (190.0 - 210.0) |
| Graded exercise testing (GXT) |
| Exercise intensity (RPE) |
13 (11 - 13) |
| VO2max (ml·kg-1·min-1) |
47.0 (44.6 - 49.0) |
| At rest |
| HR (bpm) |
60.0 (53.0 - 67.8) |
| SBP (mmHg) |
117 (108.0 - 128.0) |
| DBP (mmHg) |
77 (70.5 - 81.5) |
| At maximum |
| HR (bpm) |
171.5 (164.5 - 181.5) |
| SBP (mmHg) |
215.0 (200.0 - 237.5) |
| DBP (mmHg) |
76.0 (68.0 - 82.8) |
| Total completion time (min) |
3614.5 (3393.0 - 3722.0) |
| Mean speed (km/hr) |
5.1 (5.0 - 5.5) |
| From 0 to 100 km |
7.6 (7.2 - 8.4) |
| From 100 to 200 km |
4.74 (4.6 - 5.1) * |
| From 200 to 308 km |
4.5 (4.3 - 4.6) *† |
Treadmill graded exercise testing (GXT) was conducted 4 weeks prior to the ultramarathon race on all volunteers. The symbols next to the values indicate following meanings.* The difference is significant from 100 km, p < 0.001
