Perturbed energy balance and hydration status in ultra-endurance runners during a 24 h ultra-marathon

Ricardo J.S. Costa, Samantha K. Gill, Jo Hankey, Alice Wright, Slawomir Marczak

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31 Citations (Scopus)

Abstract

The present study aimed to assess the adequacy of energy, macronutrients and water intakes of ultra-endurance runners (UER) competing in a 24 h ultra-marathon (distance range: 122–208 km). The ad libitum food and fluid intakes of the UER (n 25) were recorded throughout the competition and analysed using dietary analysis software. Body mass (BM), urinary ketone presence, plasma osmolality (POsmol) and volume change were determined at pre- and post-competition time points. Data were analysed using appropriate t tests, with significance set at P
Original languageEnglish
Pages (from-to)428-437
JournalBritish Journal of Nutrition
Volume112
Issue number3
DOIs
Publication statusPublished - Aug 2014

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Keywords

  • Carbohydrates
  • Gastrointestinal symptoms
  • Hydration
  • Running
  • Sleep deprivation

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