Nutritional Intake during an Ultraendurance Running Race
Abstract
The food and fluid intake of a male ultraendurance runner was recorded throughout a 1,005-km race completed over 9 days. The nutrient analysis showed an average daily energy intake of 25,000 kJ with 62% from carbohydrate, 27% from fat, and 11% from protein. Carbohydrate intake was estimated to be 16.8 g · · . The protein intake was estimated to be 2.9 g · · and water intake to be 11 L per day. These figures are within the recommended levels for ultraendurance athletes (2, 10). Food and fluid were consumed in small amounts every 15 to 20 min to ensure maintenance of blood glucose levels and adequate hydration. This case study suggests that if the guidelines for prolonged exercise are followed, then athletes can successfully complete ultraendurance events.
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Relative to shorter races contested at a higher intensity, ultra-marathon runners can usually accommodate greater energy intake and more calorie-dense foods to the level of individual tolerance.
“Consequently, relative to shorter races contested at a higher intensity, ultra-marathon runners can usually accommodate greater energy intake and more calorie-dense foods to the level of individual tolerance [94].”
From International Society of Sports Nutrition Position Stand: nutritional considerations for single-stage ultra-marathon training and racing (2019) · cites this paper as [94]
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- Authors
- Eden, B. D., & Abernethy, P. J.
- Affiliations
- UNSW Sydney (AU)
- Venue
- International Journal of Sport Nutrition
- Publisher
- Human Kinetics
- Published
- 1994-06
- Volume
- 4
- Issue
- 2
- Pages
- 166-174
- ISSN
- 1050-1606 (ISSN-L)
- OpenAlex
- W2145232990
- Cited by
- 42
- References
- 15
- Citations by year
- 2024: 1 · 2023: 1 · 2022: 1 · 2021: 2 · 2019: 2 · 2018: 3 · 2016: 2 · 2015: 2 · 2013: 3 · 2012: 1
- FWCI
- 0.00
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- International Journal of Sport Nutrition (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
- Health Sciences › Medicine › Orthopedics and Sports Medicine › Sports Performance and Training
- Health Sciences › Medicine › Physiology › Thermoregulation and physiological responses
- Keywords
- energy intake, carbohydrate intake, protein intake, fluid intake, hydration, blood glucose, prolonged exercise, endurance athletes, macronutrient distribution
- MeSH terms
- Adult, Diet, Humans, Male, Nutritional Physiological Phenomena, Physical Endurance, Running, Diet Records
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