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What is the age for the fastest ultra-marathon performance in time-limited races from 6 h to 10 days?

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Abstract

Recent findings suggested that the age of peak ultra-marathon performance seemed to increase with increasing race distance. The present study investigated the age of peak ultra-marathon performance for runners competing in time-limited ultra-marathons held from 6 to 240 h (i.e. 10 days) during 1975–2013. Age and running performance in 20,238 (21 %) female and 76,888 (79 %) male finishes (6,863 women and 24,725 men, 22 and 78 %, respectively) were analysed using mixed-effects regression analyses. The annual number of finishes increased for both women and men in all races. About one half of the finishers completed at least one race and the other half completed more than one race. Most of the finishes were achieved in the fourth decade of life. The age of the best ultra-marathon performance increased with increasing race duration, also when only one or at least five successful finishes were considered. The lowest age of peak ultra-marathon performance was in 6 h (33.7 years, 95 % CI 32.5–34.9 years) and the highest in 48 h (46.8 years, 95 % CI 46.1–47.5). With increasing number of finishes, the athletes improved performance. Across years, performance decreased, the age of peak performance increased, and the age of peak ultra-marathon performance increased with increasing number of finishes. In summary, the age of peak ultra-marathon performance increased and performance decreased in time-limited ultra-marathons. The age of peak ultra-marathon performance increased with increasing race duration and with increasing number of finishes. These athletes improved race performance with increasing number of finishes.

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Authors and Affiliations

  1. Gesundheitszentrum St. Gallen, Vadianstrasse 26, 9001, St. Gallen, Switzerland

    Beat Knechtle

  2. Institute of Primary Care, University of Zurich, Zurich, Switzerland

    Beat Knechtle, Fabio Valeri, Matthias Alexander Zingg, Thomas Rosemann & Christoph Alexander Rüst

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  1. Beat Knechtle
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  2. Fabio Valeri
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  3. Matthias Alexander Zingg
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  4. Thomas Rosemann
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  5. Christoph Alexander Rüst
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Correspondence to Beat Knechtle.

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Knechtle, B., Valeri, F., Zingg, M.A. et al. What is the age for the fastest ultra-marathon performance in time-limited races from 6 h to 10 days?. AGE 36, 9715 (2014). https://doi.org/10.1007/s11357-014-9715-3

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