Sprint Physiology and Performance Determinants in Elite Track Cyclists

Int J Sports Med
DOI: 10.1055/a-2820-4599

Physiology & Biochemistry

Authors Author Affiliations

Anna Katharina Dunst

1   Department of Endurance Sports, Institute for Applied Training Science Leipzig, Leipzig, Germany (Ringgold ID: RIN84585)

Hans-Christer Holmberg

2   Department of Health Sciences, Luleå University of Technology, Department of Civil and Environmental Engineering, Luleå, Sweden (Ringgold ID: RIN225267)

Clemens Hesse

3   German Cycling Federation, Frankfurt Oder, Germany

Tomasz Kowalski

4   Department of Physiology, Institute of Sport-National Research Institute, Warsaw, Poland

Sebastian Klich

5   Department of Sport Didactics, Wrocław University of Health and Sport Sciences, Wrocław, Poland


This research would not have been possible without the financial support from the BMI (Federal Ministry of the Interior and Community; Germany) for the more extensive project (AD-5-17) from which this investigation was derived. Further Information(opens Publication History section)Also available at  SFX Search Buy Article(opens in new window) Permissions and Reprints(opens in new window) Article preview thumbnailAbstract

This study investigated the temporal dynamics of metabolic energy contributions during maximal cycling sprints lasting up to 60 seconds and explored their association with key performance metrics in elite track cyclists. Fifteen elite male track cyclists (11 sprint specialists and 4 endurance specialists) performed four maximal sprints of 3, 8, 12, and 60 seconds, as well as a cardiopulmonary exercise test. Alactic, lactic, and aerobic energy contributions were quantified based on the net energy supply methodology. Energy system contributions demonstrated clear temporal specificity: the alactic pathway dominated shorter sprints (3 s: 87±4%, 8 s: 61±5%, and 12 s: 50±6%), while the lactic pathway became the primary contributor during 60-second efforts (42±4%). Despite significant inter-individual differences in sprint performance, relative energy system contributions remained consistent across athletes. Neuromuscular performance metrics, particularly maximal power output and anaerobic power reserve, emerged as primary determinants of early sprint performance, while anaerobic work capacity became increasingly important for sustaining power output during extended efforts, underscoring the importance of both neuromuscular performance and fatigue resistance. These findings support a hierarchical but metabolically interdependent model of sprint performance, in which anaerobic power initiates performance but requires aerobic support to preserve high-intensity output under fatigue. This framework informs the design of training periodization, targeted interventions, supplementation strategies, and recovery protocols in sports requiring maximal efforts lasting up to 60 seconds.

Keywords maximal cycling sprints - exercise physiology - energy requirements - anaerobic diagnostics - performance assessment Publication History

Received: 08 May 2025

Accepted after revision: 23 February 2026

Article published online:
20 March 2026

© 2026. Thieme. All rights reserved.

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