Participation and performance trends in ultra-triathlons from 1985 to 2009

Scandinavian Journal of Medicine & Science in Sports
Beat KnechtleRomuald Lepers

Abstract

We examined the changes in participation and performance trends in ultra-triathlons, from the Double Iron (7.6 km swimming, 360 km cycling, 84.4 km running) to the Deca Iron (38 km swimming, 1800 km cycling, 422 km running), between 1985 (first year of a Double Iron) and 2009 (25 years). The mean finish rate for all distances and races was 75.8%. Women accounted for ∼8-10% of the ultra-triathlons starters. For Double and Triple Iron, the number of finishers per year increased, from 17 to 98 and from 7 to 41, respectively. In the Deca Iron, the finishers per race have remained <20 since the first event was held, up to 2009. Concerning World best performances, the men were ∼19% faster than the women in both the Double and Triple Iron, and ∼30% faster in a Deca Iron. With the increasing length of ultra-triathlons, the best women became relatively slower compared with the best men. Further investigations are required to understand why this gender difference in total performance time increased with the distance in ultra-triathlons.

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Citations

Jun 26, 2013·Sports Medicine·Romuald LepersPaul J Stapley
Jul 27, 2012·Journal of Sports Sciences·Evelyn EichenbergerRomuald Lepers
Jan 30, 2013·Journal of Sports Sciences·Franziska EtterRomuald Lepers
Jan 1, 2012·Extreme Physiology & Medicine·Christoph KnothRomuald Lepers
Jan 1, 2012·Extreme Physiology & Medicine·Beat KnechtleRomuald Lepers
Jul 16, 2013·Extreme Physiology & Medicine·Katrin SiggThomas Rosemann
Jul 16, 2013·Extreme Physiology & Medicine·Kristina da Fonseca-EngelhardtThomas Rosemann
Jul 16, 2013·Extreme Physiology & Medicine·Matthias ZinggRomuald Lepers
Aug 7, 2013·Extreme Physiology & Medicine·Dimirela MeiliRomuald Lepers
Sep 17, 2013·Perceptual and Motor Skills·Christoph Alexander RüstRomuald Lepers
Jun 14, 2014·SpringerPlus·Beat KnechtleNormand Martin
Jun 3, 2014·BMC Sports Science, Medicine and Rehabilitation·Lara PozziChristoph Alexander Rüst
Jun 4, 2014·BMC Sports Science, Medicine and Rehabilitation·Sebastian UlsamerBeat Knechtle
Sep 16, 2014·SpringerPlus·Beat KnechtleChristoph Alexander Rüst
Aug 15, 2014·BMC Sports Science, Medicine and Rehabilitation·Stefanie WildBeat Knechtle
Nov 13, 2015·European Journal of Applied Physiology·Daniel A BaurMichael J Ormsbee
Sep 17, 2013·Perceptual and Motor Skills·Roman Urs GloorRomuald Lepers
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May 16, 2012·Scandinavian Journal of Medicine & Science in Sports·M StiefelR Lepers
Nov 13, 2019·Scandinavian Journal of Medicine & Science in Sports·Caio Victor SousaBeat Knechtle
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Jan 21, 2020·American Journal of Physical Anthropology·Daniel P LongmanJay T Stock
Jan 23, 2020·International Journal of Environmental Research and Public Health·Ewa Malchrowicz-MośkoPatxi León-Guereño
Dec 13, 2019·European Journal of Applied Physiology·Kyle A SmithMichael J Ormsbee
Feb 23, 2017·Journal of Strength and Conditioning Research·Ilja W KächBeat Knechtle
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Sep 17, 2019·Journal of Human Kinetics·Beat KnechtlePantelis Theodoros Nikolaidis
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