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These findings in ultracycling races showed that (1) ~26%-40% of starters were unable to finish, (2) the percentage of female finishers was ~3%-11%, (3) the gender difference in performance was ~18%-28%, and (4) ~46% of the successful finishers were master athletes. Future studies need to investigate the reasons for the low female participation and focus on the age-related performance decline in other ultraendurance events in order to confirm that master athletes are predisposed to ultraendurance performances.
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Knechtle et al. (2013) studied this question.
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