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The Reliability of 20 m Sprint Time Using a Novel Assessment Technique.

Patrick M Holmberg¹, Mico H Olivier¹, Vincent G Kelly¹

¹School of Exercise and Nutrition Sciences, Queensland University of Technology, Brisbane, QLD 4000, Australia.

Sensors (Basel, Switzerland)

|April 12, 2025

Summary

This study validated a new 20m sprint test for team sports athletes, finding it reliable for measuring overall sprint times. However, it may not reliably detect meaningful changes in the final 10m split.

Keywords:

motion start sensor reliability sprint testing team sports timing gates

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Area of Science:

Sports Science
Biomechanics
Performance Analysis

Background:

Sprint acceleration is a key performance indicator in team sports.
Accurate and reliable measurement of sprint performance is crucial for training and talent identification.

Purpose of the Study:

To establish the test-retest reliability of a novel 20m sprint assessment method.
To determine the magnitude of meaningful change (smallest worthwhile change) in 20m sprint times.

Main Methods:

Thirty highly trained male team sport athletes performed two 20m sprints on two separate occasions (7 days apart).
Sprint times (0-20m, 0-10m, 10-20m) were recorded using infrared timing gates and a motion start sensor.
Reliability was assessed using coefficient of variation (CV) and intraclass correlation coefficients (ICC).

Main Results:

The novel method demonstrated acceptable test-retest reliability for 0-20m and 0-10m sprint times (CV = 0.52-1.36%, ICC = 0.89-0.95).
Meaningful changes were reliably detected for 0-20m and 0-10m sprint times, as the smallest worthwhile change exceeded the typical error.
The smallest worthwhile change was less than the typical error for 10-20m sprint times, suggesting this distance may not reliably detect meaningful changes.

Conclusions:

The novel 20m sprint testing method is reliable for assessing overall sprint performance in highly trained male team sport athletes.
The method can reliably detect meaningful improvements in 0-20m and 0-10m sprint times.
Consider the minimal detectable change (0.033s) as the threshold for meaningful change in 20m sprint times, particularly for the 10-20m split.