--- Paul Rogers <paulr99@gmail.
> This is a reference to my earlier statement re 800
> metres racing
> energy systems.
>
> J Sports Sci. 2005 Mar;23(3):299-
> contribution to
> 400-metre and 800-metre track running. Duffield R,
> Dawson B, Goodman
> C.
>
> http://tinyurl.
>
> Paul Rogers
> Gympie, Australia
Another great article http://tinyurl.
What is surprising to me is the % of aerobic work in
the 400 m race. Along with that article there are 4
others by the same group looking at races from
100-3000 m. I have summarized below the
aerobic/anaerobic contributions in each of the races
according to those articles.
What is also surprising is the fact that they found
that the races became predominately aerobic after only
20-30 seconds. I was under the impression that
anaerobic would be predominate for the first 40-50
seconds.
This data, in my opinion, supports your contention
that Brian needs to spend more time on the track
doing high intensity track intervals and less time in
the gym.
Distance Men Women
aerobic anaerobic aerobic anaerobic
100 m 21%- 79% 25% 75%
200 m 28% 72% 33% 67%
400 m 41% 59% 45% 55%
800 m 60% 40% 70% 30%
1500 m 77% 23% 86% 14%
3000 m 86% 14% 94% 6%
On this theme I think that anyone interest in this
topic should also visit Stephen Seilers Website and in
particular the section "Time Course of Training
Adaptations "
http://home.
What is interesting in his discussions is an
individual reaches their VO2 max relatively easily
(1 yr) whereas it takes about 3-4 years (of
appropriate training) to reach an individual's
maximum Lactate Threshold.
The Lactate Threshold, in my opinion is the holy grail
of most endurance sports (including 400 and 800 m
events).
Ralph Giarnella MD
Southington Ct USA
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