Research Article
Effects of Marathon Running on Aerobic Fitness and Performance in Recreational Runners One Week after a Race
Table 2
Changes in aerobic fitness before and seven days after a marathon race.
| | PRE | POST | value | Mean difference; 90% CL | Effect size | Qualitative inference |
| O2 cost (ml/kg/km) | 221.0 ± 14.9 | 221.2 ± 11.2 | 0.919 | 0.2; ±3.5 | 0.02 | Unclear | %O2max at AT (%) | 85.8 ± 4.7 | 85.3 ± 4.6 | 0.830 | −0.5; ±4.1 | −0.10 | Unclear | O2max (ml/kg/min) | 59.3 ± 9.5 | 58.1 ± 9.2 | 0.294 | −1.2; ±2 | −0.12 | Possibly trivial | AT (km/h) | 14.6 ± 2.6 | 14.4 ± 2.3 | 0.476 | −0.2; ±0.49 | −0.09 | Likely trivial | Peak velocity (km/h) | 17.2 ± 2.5 | 16.9 ± 2.5 | 0.082 | −0.3; ±0.28 | −0.09 | Likely trivial |
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