Åstrand, I.: Aerobic work capacity in men and women with special reference to age. Our data suggests that success at the marathon and ultramarathon distances is crucially and (possibly) solely dependent on the development and utilisation of a large VO 2 max. The comparable figure for the girls in the marathon was 79% VO 2 max (ranges 68–86%). The male athletes were able to sustain 82% VO 2 max (range 80–87%) in 42.2 km and 67% VO 2 max (range 53–76%) in 84.64 km event. In the female athletes the intermediate times were not available and they did not compete beyond 42.2 km (marathon) distance but for this event a similar association though less in magnitude was found with VO 2 max ( r=−0.43) and % VO 2 max (= −0.49).
This suggests that other factors such as footwear, clothing, and running technique (Costill, 1972) play a relatively minor role in this group of male distance runners.
$$\begin $$Īpproximately 98% of the total variance of performance times could be accounted for in the marathon and ultramarathon events.
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