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Pace Controlled by a Steady-State Physiological Variable Is Associated with Better Performance in a 3000 M Run
Claire A Molinari1,2, Pierre Bresson2, Florent Palacin2
1Unité de Biologie Intégrative des Adaptations à l'Exercice, Université Paris-Saclay, Univ Evry, 91000 Evry-Courcouronnes, France.
Summary
Non-elite runners perform better when their running pace is controlled to maintain a steady physiological state, rather than choosing their own pace. This controlled approach leads to faster times and reduced physiological strain.
Area of Science:
- Exercise Physiology
- Sports Science
- Running Biomechanics
Background:
- Self-paced running performance in non-elite athletes may not be optimal.
- Understanding pacing strategies is crucial for improving running economy and performance.
Purpose of the Study:
- To test if a steady-state physiological variable-controlled running pace is more effective than a freely chosen pace.
- To investigate the impact of controlled pacing on 3000m time trial performance and physiological strain.
Main Methods:
- Eight runners completed four 3000m maximum-effort time trials.
- Pacing strategies included freely chosen pace, average speed, average oxygen consumption (V˙O2), and average heart rate (HR) from a freely paced trial.
Main Results:
- Physiologically controlled paces (V˙O2 and HR) resulted in significantly faster times compared to freely chosen pace (740-748s vs. 854s).
- Controlled pacing led to lower oxygen cost (200-220 vs. 310 mLO2·kg-1·km-1) and cardiac cost (0.69 vs. 0.86 beat·m-1).
- Speed distribution was more positively skewed with controlled pacing, indicating a more consistent effort.
Conclusions:
- Steady-state physiological variable-controlled pacing is superior to self-selected pacing for non-elite runners.
- Non-elite runners do not spontaneously adopt the most effective pacing strategy for maximal 3000m performance.
- Optimizing running pace through physiological monitoring can enhance performance and reduce strain.
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