Abstract
This study examined the effect of 8 weeks of specific marathon
training before the Olympic trials on the physiological factors of the marathon
performance in top-class marathon runners. Five males and four females, age
34 ± 6 yr (± SD) with a marathon performance
time of
2 h 11 min 40 s ± 2 min 27 s
for males and
2 h 35 min 34 s ± 2 min 54 s
for females, performed one test ten and two weeks before the trials. Between
this period they trained weekly 180 ± 27 km and
155 ± 19 km with 11 ± 7 and
7 ± 0 % of this distance at velocity over
10000 m for males and females, respectively. The purpose of this test
was to determine in real conditions i. e. on level road:
V˙O2peak, the energy cost of running and the fractional
utilisation of V˙O2peak at the marathon velocity (vMarathon).
They ran 10 km at the speed of their personal best marathon performance
on a level road and after a rest of 6 min they ran an all-out
1000 m run. V˙O2peak increased after the 8 weeks of
pre-competitive training (66.3 ± 9.2 vs
69.9 ± 9.4 ml
× min-1 × kg-1,
p = 0.01). Moreover, since the oxygen cost of running at
vMarathon did not change after this training, the fractional utilization (F) of
V˙O2peak during the 10 km run at vMarathon decreased
significantly after training (94.6 ± 6.2 %
V˙O2peak vs 90.3 ± 9.5 %
V˙O2peak, p = 0.04). The high intensity of
pre-competitive training increased V˙O2peak and did not change
the running economy at vMarathon and decreased the fractional utilization of
V˙O2peak at vMarathon.
Key words
Training - oxygen uptake - running - female
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