Abstract

The aim of this study was to verify the reliability of peak running velocity obtained on the track field (Vpeak_TF) in runners of different performance levels. 39 male endurance runners were divided into two groups: trained runners (TR; n = 22; 10-km time running performance of 35.2 ± 1.7 min), and recreational runners (RR; n = 17; 10-km time running performance of 51.3 ± 4.8 min). They performed three maximal incremental running tests on the official track field (400 m), with an interval of 1 week between trials to determine the reliability of Vpeak_T. The Vpeak_TF showed high reliability, presenting an intraclass correlation coefficient and coefficient of variation of 0.97 and 1.28%, and 0.90 and 1.24% for TR and RR, respectively. Both TR and RR showed lowest bias and limits of agreement between test and retest (Vpeak_TF1 and Vpeak_TF2). In addition, there was no statistical test-retest difference for Vpeak_TF. In addition, the HR and RPE submaximal values were reliable for both TR and RR. Therefore, the Vpeak_TF showed high reliability in both TR and RR. These findings reinforce that the protocol for determining Vpeak_TF, using increments of 1 km h–1 every 3 min is reliable regardless of the performance level of the runners.

Highlights

  • Incremental test protocols have been used to determine aerobic parameters that are important to decide the appropriate prescription and monitoring the endurance training program (Buchheit et al, 2010; Manoel et al, 2017)

  • Reliability of Peak Running Velocity obtained in an incremental running test (Noakes et al, 1990; Machado et al, 2013), this variable was studied concerning its reliability only for the Vpeak determined during treadmill protocols (Vpeak_T; Peserico et al, 2014; Cerezuela-Espejo et al, 2018)

  • Cerezuela-Espejo et al (2018) reported that Vpeak_T comprising 1 min stage duration with increments of 1 km h−1 was reliable with low standard error of measurement (SEM) (2.79 km h−1), low coefficient of variation (CV) (3.1%) and intraclass correlation coefficient (ICC) of 0.94 in 22 trained runners (TR)

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Summary

Introduction

Incremental test protocols have been used to determine aerobic parameters that are important to decide the appropriate prescription and monitoring the endurance training program (Buchheit et al, 2010; Manoel et al, 2017). Reliability of Peak Running Velocity obtained in an incremental running test (Noakes et al, 1990; Machado et al, 2013), this variable was studied concerning its reliability only for the Vpeak determined during treadmill protocols (Vpeak_T; Peserico et al, 2014; Cerezuela-Espejo et al, 2018). Peserico et al (2014) examined the test-retest reliability of Vpeak_T obtained from three maximal incremental tests with different velocities increments (0.5, 1, and 2 km·h−1) and a fixed 3-min stages duration, and demonstrated high reliability of Vpeak_T, with low standard error of measurement (SEM; ≤0.3 km h−1), a coefficient of variation (CV) ≤1.8%; intraclass correlation coefficient (ICC) ≥0.90 in 31 recreational runners (RR). Cerezuela-Espejo et al (2018) reported that Vpeak_T comprising 1 min stage duration with increments of 1 km h−1 was reliable with low SEM (2.79 km h−1), low CV (3.1%) and ICC of 0.94 in 22 trained runners (TR)

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