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Peak oxygen uptake predicts finishing- and segment time in a full distance Ironman
Linnaeus University, Faculty of Social Sciences, Department of Sport Science.ORCID iD: 0000-0002-1626-4575
Linnaeus University, Faculty of Health and Life Sciences, Department of Health and Caring Sciences.
Linnaeus University, Faculty of Social Sciences, Department of Sport Science.ORCID iD: 0000-0003-4934-8684
Linnaeus University, Faculty of Social Sciences, Department of Sport Science.ORCID iD: 0000-0001-8684-608X
2018 (English)In: Presented at the 23rd annual Congress of the European College of Sport Science (ECSS), Dublin, Ireland, July 4-7, 2018, 2018Conference paper, Oral presentation with published abstract (Refereed)
Abstract [en]

INTRODUCTION: Ironman competitions and other extreme endurance events has spread worldwide attracting thousands of endurance-trained athletes, athletes who differ in anthropometric and training characteristics. The relationship between peak oxygen uptake and finishing- and segment time during a full distance IRONMAN competition (Swim 3.9km, Bike 180km and Run 42.2km) has not been examined thoroughly in non-elite athletes.

PURPOSE: The aim of the present study was to investigate the relationship between peak oxygen uptake (VO2peak), finishing time and segment time in non-elite athletes.

METHODS: 39 non-elite athletes (10 female; age 41.1 ± 9.7, range 24-70 years) performed a 20 m shuttle run test to assess VO2peak. Association between VO2 and finishing- and segment time was estimated using bivariate correlation tests. Gender specific analysis was also performed.

RESULTS: VO2peak peak was on average 49.9 ± 6.4 O2 ml/kg/minute, range 36.5-63.9 (pooled genders). Finishing time was on average 11h and 52 min. The average times for the different segments were; Swim 1h 21m, Bike 5h 46min and Run 4h 33min. The relationship between VO2peak and finishing time was significant to p<0.001 and                         0.51. The relationship between segment times were Swim  0.19, Bike  0.37 and Run  0.46 all at p<0.001. Gender specific analyses revealed that the association between VO2peak and finishing time was   0.80 for females and  0.49 for males. 

CONCLUSION: Our results suggest that VO2peak is a good predictor of finishing time (approx. 50%) as well as for segment time with 19%, 37% and 46% for Swim, Bike and Run respectively (pooled genders). For females VO2peak explains as much as 80% of the variation in finishing time.

Place, publisher, year, edition, pages
2018.
National Category
Sport and Fitness Sciences
Research subject
Social Sciences, Sport Science
Identifiers
URN: urn:nbn:se:lnu:diva-77097OAI: oai:DiVA.org:lnu-77097DiVA, id: diva2:1238277
Conference
23rd annual Congress of the European College of Sport Science (ECSS), Dublin, Ireland, July 4-7, 2018
Projects
IRON(WO)MANAvailable from: 2018-08-13 Created: 2018-08-13 Last updated: 2019-02-22Bibliographically approved

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Danielsson, TomCarlsson, JörgBergman, PatrickAhnesjö, Jonas

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