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The aim of this study was to verify the reliability of peak running velocity obtained on the track field (V peak_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 V peak_T . The V peak_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 (V peak_TF1  and V peak_TF2 ). In addition, there was no statistical test-retest difference for V peak_TF . In addition, the HR and RPE submaximal values were reliable for both TR and RR. Therefore, the V peak_TF  showed high reliability in both TR and RR. These findings reinforce that the protocol for determining V peak_TF , using increments of 1 km h –1  every 3 min is reliable regardless of the performance level of the runners.

Reliability of Peak Running Velocity Obtained on the Track Field in Runners of Different Performance Levels