Int J Sports Med 2015; 36(09): 705-709
DOI: 10.1055/s-0034-1398680
Training & Testing
© Georg Thieme Verlag KG Stuttgart · New York

The Reliability of Running Performance in a 5 km Time Trial on a Non-motorized Treadmill

C. J. Stevens
1   ASSET Laboratory Exercise and Sport Sciences, University of Newcastle, Ourimbah, Australia
J. Hacene
1   ASSET Laboratory Exercise and Sport Sciences, University of Newcastle, Ourimbah, Australia
D. V. Sculley
2   School of Biomedical Sciences and Pharmacy, University of Newcastle, Ourimbah, Australia
L. Taylor
3   Sport Science and Physical Activity, University of Bedfordshire, Bedford, United Kingdom
R. Callister
4   School of Biomedical Sciences and Pharmacy, University of Newcastle, Callaghan, Australia
B. Dascombe
1   ASSET Laboratory Exercise and Sport Sciences, University of Newcastle, Ourimbah, Australia
› Author Affiliations
Further Information

Publication History

accepted after revision 12 January 2015

Publication Date:
19 March 2015 (online)


The purpose of the study was to establish the reliability of performance and physiological responses during a self-paced 5 km running time trial on a non-motorized treadmill. 17 male runners (age: 32±13 years, height: 177±7 cm, body mass: 71±9 kg, sum of 7 skinfolds: 55±21 mm) performed familiarization then 2 separate maximal 5 km running time trials on a non-motorized treadmill. Physiological responses measured included heart rate, oxygen uptake, expired air volume, blood lactate concentration, tissue saturation index and integrated electromyography. Running time (1 522±163 s vs. 1 519±162 s for trials 1 and 2, respectively) demonstrated a low CV of 1.2% and high ICC of 0.99. All physiological variables had CVs of less than 4% and ICCs of >0.92, with the exception of blood lactate concentration (7.0±2 mmol·L−1 vs. 6.5±1.5 mmol·L−1 for trials 1 and 2, respectively; CV: 12%, ICC: 0.83) and the electromyography measures (CV: 8–27%, ICC: 0.71–0.91). The data demonstrate that performance time in a 5 km running time trial on a non-motorized treadmill is a highly reliable test. Most physiological responses measured across the 5 km run also demonstrated good reliability.

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