Aerobic Fitness: Beep Testing

A team starts the Beep Test together.

Early levels feel easy, but as the beeps get closer together, athletes must run faster, turn more often and manage increasing fatigue.

The final level and shuttle provide a practical field measure of aerobic fitness, repeat-effort tolerance and shuttle-running performance.

Quick Summary

• Test name: Beep Test
• Also known as: 20 m multistage shuttle run test, MSFT, multistage fitness test, bleep test
• Purpose: Assess aerobic fitness and estimate endurance capacity
• What it assesses: Progressive 20 m shuttle-running performance
• Equipment required: 20 m course, cones, audio file, speaker and recording system
• Key finding: Final level and shuttle completed
• Best used with: Heart rate, RPE, training load, time trial results and sport-specific conditioning data
• Key limitation: Influenced by turning ability, motivation, pacing, surface, familiarity and test version

What Is the Beep Test?

The Beep Test is a progressive shuttle run performed over 20 metres.

The client runs between two lines in time with audio beeps. The pace increases each level until the client can no longer maintain the required speed.

The score is usually recorded as the final level and shuttle completed.

Some systems also estimate VO₂max from the result, but this should be treated as an estimate rather than a direct laboratory measurement.

Why It Is Used

The Beep Test is popular because it is:

• Low-cost
• Easy to run with groups
• Simple to score
• Useful for tracking change over time
• Relevant for many field and court sports

It can help professionals monitor aerobic fitness, conditioning changes and tolerance to repeated shuttle running.

It is also useful in school, sport, tactical and general fitness settings when clients are suitable for maximal running.

What It Measures

The Beep Test measures progressive shuttle-running performance.

It reflects:

• Aerobic fitness
• High-intensity running tolerance
• Acceleration and deceleration ability
• Turning ability
• Motivation
• Running economy
• Ability to manage increasing pace

It does not directly measure VO₂max unless laboratory gas analysis is used.

It also does not isolate one physical quality. A client’s score may be affected by fitness, turning skill, body size, confidence, pacing and familiarity with the test.

Who It Is Useful For

The Beep Test may be useful for:

• Field sport athletes
• Court sport athletes
• School groups
• Tactical populations
• General fitness clients
• Healthy adults appropriate for maximal running
• Teams needing group aerobic fitness testing

It may be less suitable for clients with:

• Pain during running
• Recent injury
• Poor turning tolerance
• Balance limitations
• Medical risk factors that make maximal running inappropriate

Equipment Required

You will need:

• Flat, non-slip surface
• Two lines or cones 20 m apart
• Beep Test audio file
• Speaker loud enough for the testing area
• Recording sheet or Measurz/MAT
• Optional heart rate monitor
• Optional RPE scale

Step-by-Step Protocol

Measure and mark two lines exactly 20 m apart.

Check that the surface is safe, flat and non-slip.

Make sure the audio file is correct, clear and loud enough.

Ask the client to complete a standardised warm-up, including:

• Light jogging
• Dynamic mobility
• A few short shuttle practice runs

Explain that the client must reach the opposite line at or before each beep.

Start the audio.

The client runs back and forth between the two 20 m lines in time with the beeps.

As each level progresses, the running speed increases.

The test ends when the client:

• Voluntarily stops
• Cannot maintain the required pace
• Fails to reach the line according to the chosen stopping rule

Record the final completed level and shuttle.

Where relevant, also record heart rate, RPE, symptoms and reason for stopping.

Scoring and Interpretation

The primary score is the final level and shuttle.

A higher score generally suggests better aerobic fitness and shuttle-running capacity.

Interpretation should consider:

• Test version
• Audio file used
• Surface
• Footwear
• Group or individual setting
• Motivation
• Turning ability
• Familiarity with the test
• Recent fatigue or training load
• Heart rate and RPE response

For practical use, the level and shuttle score is often more defensible than over-emphasising an estimated VO₂max.

Normative Data, Benchmarks or Reference Values

High-quality normative data is available for children and youth.

The strongest source is the international normative study by Tomkinson and colleagues, which included 1,142,026 children and youth aged 9–17 years from 50 countries. The study produced sex- and age-specific norms for the 20 m shuttle run using several metrics, including final running speed, completed stages, laps and relative VO₂peak. ()

This is the best high-level benchmark source when testing apparently healthy children or adolescents using a comparable 20 m shuttle run protocol.

For youth athletes, sport-specific reference values may be more relevant. A 2023 study of 742 Tunisian elite adolescent soccer players aged 11–18 years developed reference curves for maximal aerobic speed and estimated VO₂max using the 20 m shuttle run. This is useful for adolescent soccer contexts, but it should not be applied broadly to all youth or adults. ()

For adults, norms are less universal. A 2023 study in adults aged 18–64 years examined validity and reliability of the 20 m shuttle run, but adult interpretation still depends strongly on sex, age, physical activity level and protocol. ()

For most Measurz use, interpret results using:

• The client’s previous score
• Similar age and sex groups
• Sport or team benchmarks
• Internal organisation data
• Heart rate and RPE
• Training load and fatigue
• Change over time under the same setup

Do not apply youth norms to adults, or elite sport norms to general fitness clients.

Reliability and Validity

The Beep Test has been widely studied as a field-based estimate of cardiorespiratory fitness.

The original multistage shuttle run research described the test as a practical method for estimating maximal aerobic power in groups. Later evidence supports the 20 m shuttle run as useful when laboratory testing is not available, but equation choice and population matter.

A meta-analysis by Mayorga-Vega and colleagues found that the 20 m shuttle run has criterion-related validity for estimating cardiorespiratory fitness, but prediction accuracy varies across studies and populations. ()

A systematic review of field-based fitness tests in adults reported that the 20 m shuttle run can show moderate-to-high criterion-related validity for estimating VO₂max, with correlations reported across studies. However, not all studies agreed, reinforcing the need for cautious interpretation. ()

To improve consistency:

• Use the same audio version
• Use the same 20 m setup
• Use the same surface
• Use the same stopping rule
• Record footwear
• Record heart rate and RPE when possible
• Note group testing conditions
• Track changes over time

Sensitivity and Specificity

Sensitivity and specificity are not applicable for routine Measurz use.

The Beep Test is a performance and fitness assessment, not a diagnostic test.

It can support aerobic fitness monitoring, but it should not be used to diagnose a condition.

Common Errors and Testing Limitations

Common errors include:

• Incorrect 20 m distance
• Poor audio quality
• Unclear stopping rules
• Allowing early turns
• Not reaching the line
• Changing the surface
• Comparing different Beep Test versions
• Ignoring motivation, fatigue or familiarity

Key limitations include:

• VO₂max is estimated, not directly measured
• Turning ability affects performance
• Motivation strongly influences the final score
• Larger or less agile clients may be disadvantaged by repeated turns
• Results can be affected by heat, surface grip and group setting
• It may be less specific than Yo-Yo or 30-15 testing for some stop-start sports

Practical Applications

Use the Beep Test to:

• Monitor aerobic fitness
• Test groups efficiently
• Track conditioning changes
• Support training goals
• Compare results across training blocks
• Add context to heart rate and RPE data

For team sport athletes, the Beep Test can be useful, but intermittent tests such as the Yo-Yo Test or 30-15 Intermittent Fitness Test may be more sport-specific in some settings.

How to Record This in Measurz

In Measurz, record:

• Final level and shuttle
• Estimated VO₂max, if used
• Test version or audio file
• Surface
• Footwear
• Group or individual testing
• Heart rate
• RPE
• Reason for stopping
• Symptoms
• Turning or pacing notes
• Recent fatigue or training load

Example note:

“Beep Test completed on indoor court using standard 20 m audio. Final score: level 9 shuttle 6. Peak HR 188 bpm. RPE 9/10. Stopped due to fatigue. No pain. Turning quality reduced in final two levels.”

Related Tests or Internal Linking Suggestions

• Time Trial Test
• Yo-Yo Test
• 30-15 Intermittent Fitness Test
• Cooper 12-Minute Run Test
• 6-Minute Walk Test
• 2-Minute Step-in-Place Test
• Fatigue
• Sleep Quality and Quantity
• Training Load

FAQs

What does the Beep Test measure?

It measures progressive 20 m shuttle-running performance and is commonly used to estimate aerobic fitness.

What is the Beep Test score?

The score is the final level and shuttle completed before the client stops or can no longer maintain the required pace.

Does the Beep Test measure VO₂max?

Not directly. It can estimate VO₂max using prediction equations, but it does not directly measure VO₂max like laboratory gas analysis.

Are there norms for the Beep Test?

Yes, strong international norms exist for children and youth aged 9–17 years. Adult and sport-specific interpretation should use matched protocols and populations where possible.

Is the Beep Test suitable for everyone?

No. It is a maximal running test and may not be appropriate for clients with pain, recent injury, poor turning tolerance or medical risk factors.

Key Takeaways

• The Beep Test is a practical 20 m shuttle-run assessment of aerobic fitness.
• The main score is final level and shuttle.
• High-quality international norms exist for youth aged 9–17 years.
• VO₂max estimates should be interpreted cautiously.
• Measurz should record the setup, score, audio version, RPE, heart rate and reason for stopping.

References

Léger, L. A., & Gadoury, C. (1989). Validity of the 20 m shuttle run test with 1 min stages to predict VO₂max in adults. Canadian Journal of Sport Sciences, 14(1), 21–26.

Léger, L. A., & Lambert, J. (1982). A maximal multistage 20 m shuttle run test to predict VO₂max. European Journal of Applied Physiology and Occupational Physiology, 49(1), 1–12. https://doi.org/10.1007/BF00428958

Léger, L. A., Mercier, D., Gadoury, C., & Lambert, J. (1988). The multistage 20 metre shuttle run test for aerobic fitness. Journal of Sports Sciences, 6(2), 93–101. https://doi.org/10.1080/02640418808729800

Mayorga-Vega, D., Aguilar-Soto, P., & Viciana, J. (2015). Criterion-related validity of the 20 m shuttle run test for estimating cardiorespiratory fitness: A meta-analysis. Journal of Sports Science & Medicine, 14(3), 536–547.

Tomkinson, G. R., Lang, J. J., Tremblay, M. S., Dale, M., LeBlanc, A. G., Belanger, K., Ortega, F. B., & Léger, L. (2017). International normative 20 m shuttle run values from 1,142,026 children and youth representing 50 countries. British Journal of Sports Medicine, 51(21), 1545–1554. https://doi.org/10.1136/bjsports-2016-095987