Sprint or steady: which training boosts running performance best?
NCT ID NCT07726836
First seen Jul 24, 2026 · Last updated Jul 24, 2026
Summary
This trial compares two common training methods—sprint interval training and continuous aerobic conditioning—to see which better improves running economy, endurance, and fatigue resistance in healthy runners aged 18 to 30. Participants will be assigned to one of the two groups and tested on measures like repeated sprints, time to exhaustion, and VO₂ max. The goal is to determine which approach offers greater benefits for performance and stamina.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- sprint interval training and continuous aerobic conditioning
- What this could lead to
- If one method proves superior, it could help runners and coaches choose the most effective training approach for improving performance and delaying fatigue.
- What could go wrong
- This is a small, early-stage study with only 26 participants, so results may not apply to all runners. Individual responses to training can vary widely.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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26 people
The number who actually took part.
- Started
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Sep 2025
- Finished
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Jun 2026
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 30 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age typically between 18 and 30 years old. * Participants are in good health and had no severe injuries during the last six months before the study * Non-smoker * Individual free from cardiovascular, metabolic disease Exclusion Criteria: * Presence of any musculoskeletal injury or illness * Runners with irregular training schedules or inconsistent performance. * Use of medications that could impact exercise performance or safety. * Inability to commit to the training program or testing schedule.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Central Park medical college
Lahore, Punjab Province, Pakistan
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