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Specific aspects of contemporary triathlon: implications for physiological analysis and performance
David J Bentley1, Grégoire P Millet, Verónica E Vleck
1Department of Sport and Exercise Science, The University of Bath, UK. sppdjb@bath.ac.uk
Sports Medicine (Auckland, N.Z.)
|May 1, 2002
Summary
Elite triathletes benefit from drafting during cycling, reducing energy costs and improving subsequent running performance. Age-group triathletes, who race individually, face different physiological demands. Understanding these differences is key for training and performance analysis in triathlon.
Area of Science:
- Sports Science
- Exercise Physiology
- Triathlon Performance Analysis
Background:
- Triathlon competitions vary in distance and technical rules, impacting physiological demands.
- Elite triathletes can draft during cycling, unlike age-group athletes who compete in individual time trials.
- Wetsuit use and drafting in swimming enhance buoyancy and reduce resistance, improving efficiency.
Purpose of the Study:
- To analyze the distinct physiological demands of elite versus age-group triathlons.
- To investigate how cycling strategies (drafting vs. individual time trial) affect subsequent running performance.
- To highlight the influence of course specifics and athlete characteristics on triathlon performance.
Main Methods:
- Comparative analysis of physiological demands in elite and age-group triathlon formats.
- Examination of the effects of drafting during cycling on energy expenditure and running capacity.
- Consideration of factors like wetsuit use, swimming drafting, and cycling course profiles.
Main Results:
- Drafting in elite cycling reduces energy cost, potentially improving running performance.
- Individual time trial cycling in age-group events presents different physiological challenges.
- Swimming aids like wetsuits and drafting improve efficiency in the initial leg.
Conclusions:
- Differences in elite and age-group triathlon formats significantly alter physiological responses.
- Cycling strategy (drafting vs. individual) impacts energy availability for the run.
- Training and performance diagnostics should account for these varied physiological demands and race formats.