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

doi:10.1017/S0007114514000907

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

Monash University

Research output: Contribution to journal › Article › peer-review

83 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 language	English
Pages (from-to)	428-437
Journal	British Journal of Nutrition
Volume	112
Issue number	3
DOIs	https://doi.org/10.1017/S0007114514000907
Publication status	Published - Aug 2014

Bibliographical note

This paper is not yet available on the repository

Keywords

Carbohydrates
Gastrointestinal symptoms
Hydration
Running
Sleep deprivation

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10.1017/S0007114514000907

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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",

keywords = "Carbohydrates, Gastrointestinal symptoms, Hydration, Running, Sleep deprivation",

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AU - Gill, Samantha K.

AU - Hankey, Jo

AU - Wright, Alice

AU - Marczak, Slawomir

N1 - This paper is not yet available on the repository

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AB - 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

KW - Carbohydrates

KW - Gastrointestinal symptoms

KW - Hydration

KW - Running

KW - Sleep deprivation

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JO - British Journal of Nutrition

JF - British Journal of Nutrition

IS - 3

ER -

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

Abstract

Bibliographical note

Keywords

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