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Research in Sports Medicine
An International Journal
Volume 16, 2008 - Issue 2
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Original Articles

An Ultratriathlon Leads to a Decrease of Body Fat and Skeletal Muscle Mass—The Triple Iron Triathlon Austria 2006

Beat Knechtle Gesundheitszentrum St. Gallen, St. Gallen, Switzerland; Department of General Practice, University Hospital Zurich, Zurich, SwitzerlandCorrespondence[email protected]
,
Brida Duff Gesundheitszentrum St. Gallen, St. Gallen, Switzerland; Department of General Practice, University Hospital Zurich, Zurich, Switzerland
,
Gerhard Amtmann Sport Project, Triple Iron Triathlon Moosburg, Kärnten, Austria
&
Götz Kohler Division of Biophysical Chemistry, Biozentrum, University of Basel, Basel, Switzerland
Pages 97-110 | Received 26 May 2007, Accepted 01 Sep 2007, Published online: 30 Jun 2008

Citations (30)

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Read on this site (6)

Philipp Gauckler, Jana S. Kesenheimer, Andreas Kronbichler & Fiona R. Kolbinger. (2021) Edema-like symptoms are common in ultra-distance cyclists and driven by overdrinking, use of analgesics and female sex – a study of 919 athletes. Journal of the International Society of Sports Nutrition 18:1.
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Beat Knechtle, Matthias Alexander Zingg, Thomas Rosemann, Michael Stiefel & Christoph Alexander Rüst. (2015) What predicts performance in ultra-triathlon races? – a comparison between Ironman distance triathlon and ultra-triathlon. Open Access Journal of Sports Medicine 6, pages 149-159.
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Beat Knechtle, Sabrina Baumgartner, Patrizia Knechtle, Christoph Alexander Rüst, Thomas Rosemann & Raúl Bescós. (2012) Changes in single skinfold thickness in 100 km ultramarathoners. Open Access Journal of Sports Medicine 3, pages 147-157.
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Tim Weitkunat, Beat Knechtle, Patrizia Knechtle, Christoph Alexander Rüst & Thomas Rosemann. (2012) Body composition and hydration status changes in male and female open-water swimmers during an ultra-endurance event. Journal of Sports Sciences 30:10, pages 1003-1013.
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Beat Knechtle, Patrizia Knechtle, Christoph Alexander Rüst & Thomas Rosemann. (2011) A comparison of anthropometric and training characteristics of Ironman triathletes and Triple Iron ultra-triathletes. Journal of Sports Sciences 29:13, pages 1373-1380.
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Beat Knechtle, Andrea Wirth, Barbara Baumann, Patrizia Knechtle, Götz Kohler, Thomas Rosemann & Oliver Senn. (2010) An Ironman Triathlon Does Not Lead to a Change in Body Mass in Female Triathletes. Research in Sports Medicine 18:2, pages 115-126.
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Articles from other publishers (24)

Caio Victor Sousa, Rinaldo Wellerson Pereira, Thomas Rosemann, Pantelis T. Nikolaidis & Beat Knechtle. (2020) Self-Selected Pacing During a World Record Attempt in 40 Ironman-Distance Triathlons in 40 Days. International Journal of Environmental Research and Public Health 17:7, pages 2390.
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Caio Victor Sousa, Pantelis Theodoros Nikolaidis & Beat Knechtle. (2019) Ultra‐triathlon—Pacing, performance trends, the role of nationality, and sex differences in finishers and non‐finishers. Scandinavian Journal of Medicine & Science in Sports 30:3, pages 556-563.
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Beat Knechtle & P.T. Nikolaidis. 2019. Nutrition and Enhanced Sports Performance. Nutrition and Enhanced Sports Performance 163 173 .
S. K. Papadopoulou, E. E. Xyla, S. Methenitis, K. G. Feidantsis, Y. Kotsis, I. G. Pagkalos & M. N. Hassapidou. (2018) Nutrition strategies before and during ultra-endurance event: A significant gap between science and practice. Scandinavian Journal of Medicine & Science in Sports 28:3, pages 881-892.
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Analiza M. Silva, Diana A. Santos & Catarina N. Matias. 2017. Body Composition. Body Composition 233 284 .
Eric Williamson. (2016) Nutritional implications for ultra-endurance walking and running events. Extreme Physiology & Medicine 5:1.
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Daniel A. Baur, Christopher W. Bach, William J. Hyder & Michael J. Ormsbee. (2015) Fluid retention, muscle damage, and altered body composition at the Ultraman triathlon. European Journal of Applied Physiology 116:3, pages 447-458.
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Anna Barrero, Pau Erola & Raúl Bescós. (2014) Energy Balance of Triathletes during an Ultra-Endurance Event. Nutrients 7:1, pages 209-222.
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Raphael Knechtle, Christoph Alexander Rüst, Thomas Rosemann & Beat Knechtle. (2014) The best triathletes are older in longer race distances – a comparison between Olympic, Half-Ironman and Ironman distance triathlon. SpringerPlus 3:1.
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Christoph Alexander Rüst, Beat Knechtle, Patrizia Knechtle, Thomas Rosemann & Romuald Lepers. (2013) SEX DIFFERENCES IN ULTRA-TRIATHLON PERFORMANCE AT INCREASING RACE DISTANCE 1 , 2 . Perceptual and Motor Skills, pages 130624075139005.
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Christoph Alexander Rüst, Beat Knechtle, Patrizia Knechtle, Thomas Rosemann & Romuald Lepers. (2013) Sex Differences in Ultra-Triathlon Performance at Increasing Race Distance. Perceptual and Motor Skills 116:2, pages 690-706.
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Christoph Alexander Rüst, Beat Knechtle, Patrizia Knechtle, Thomas Rosemann & Romuald Lepers. (2013) SEX DIFFERENCES IN ULTRA-TRIATHLON PERFORMANCE AT INCREASING RACE DISTANCE 1 , 2 . Perceptual and Motor Skills 116:2, pages 690-706.
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G. Fischer, B. Knechtle, C. A. Rüst & T. Rosemann. (2012) Male swimmers cross the E nglish C hannel faster than female swimmers . Scandinavian Journal of Medicine & Science in Sports 23:1.
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Beat Knechtle. 2013. Nutrition and Enhanced Sports Performance. Nutrition and Enhanced Sports Performance 161 170 .
Beat Knechtle, Christoph Alexander Rüst, Patrizia Knechtle, Thomas Rosemann & Romuald Lepers. (2012) Age-related changes in ultra-triathlon performances. Extreme Physiology & Medicine 1:1.
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Martin Bischof, Beat Knechtle, Christoph A.Rüst, Patrizia Knechtle & Thomas Rosemann. (2012) Changes in Skinfold Thicknesses and Body Fat in Ultra-endurance Cyclists. Asian Journal of Sports Medicine 4:1.
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Christoph Alexander Rüst, Beat Knechtle, Patrizia Knechtle, Thomas Rosemann & Romuald Lepers. (2012) Participation and Performance Trends in Triple Iron Ultra-triathlon – a Cross-sectional and Longitudinal Data Analysis. Asian Journal of Sports Medicine 3:3.
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Reto Lenherr, Beat Knechtle, Christoph Rüst, Thomas Rosemann & Romuald Lepers. (2012) From Double Iron to Double Deca Iron Ultra-Triathlon - A Retrospective Data Analysis from 1985 to 2011. Physical Culture and Sport. Studies and Research 54:1, pages 55-67.
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B. Knechtle, P. Knechtle & R. Lepers. (2011) Participation and performance trends in ultra-triathlons from 1985 to 2009. Scandinavian Journal of Medicine & Science in Sports 21:6, pages e82-e90.
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Beat Knechtle, Markus Gnädinger, Patrizia Knechtle, Reinhard Imoberdorf, Götz Kohler, Peter Ballmer, Thomas Rosemann & Oliver Senn. (2011) Prevalence of Exercise-Associated Hyponatremia in Male Ultraendurance Athletes. Clinical Journal of Sport Medicine 21:3, pages 226-232.
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B. Knechtle, A. Wirth, P. Knechtle, T. Rosemann & O. Senn. (2010) Do ultra-runners in a 24-h run really dehydrate?. Irish Journal of Medical Science 180:1, pages 129-134.
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Amelia Guadalupe-Grau, Ignacio Ara, Cecilia Dorado, German Vicente-Rodríguez, Jorge Perez-Gomez, Javier Chavarren Cabrero, José A. Serrano-Sanchez, Alfredo Santana & Jose A. L. Calbet. (2010) Osteocalcin as a negative regulator of serum leptin concentration in humans: insight from triathlon competitions. European Journal of Applied Physiology 110:3, pages 635-643.
Crossref
Beat Knechtle, Patrizia Knechtle, Thomas Rosemann & Oliver Senn. (2009) No Dehydration in Mountain Bike Ultra-Marathoners. Clinical Journal of Sport Medicine 19:5, pages 415-420.
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Beat Knechtle, Tristan Vinzent, Steve Kirby, Patrizia Knechtle & Thomas Rosemann. (2009) The Recovery Phase Following a Triple Iron Triathlon. Journal of Human Kinetics 21:1, pages 65-74.
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