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10-year running study reveals heart changes in male marathoners

NCT ID NCT04166903

Knowledge-focused Sponsor: Technical University of Munich Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study followed 277 male runners who took part in a 2009 study to see how years of ultra-endurance running affect the heart and body. Researchers measured heart function and blood markers over a decade. The goal is to learn about the long-term effects of extreme exercise on health.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could help understand the long-term heart effects of extreme endurance running in men.
What could go wrong
This is an observational study, not a treatment trial. It cannot prove cause and effect, and results may not apply to women or casual runners.

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.

Participants

277 people

The number who actually took part.

Started

Nov 2019

Finished

Jun 2021

Lead sponsor

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.

Who is studied

Participants of the Be-MaGIC-Study (2009)

Ages

30 to 70 years

Sex

Male participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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: Declaration of consent Participants must have participated in the Be-MaGIC study in 2009 * current age: 30 - 70 years * sex: male Exclusion Criteria: \-

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Conditions

The condition(s) this trial relates to.

cardiovascular disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Participants of the be-magic-study 2009

Contacts and locations

Locations

  • Department of Prevention, Rehabilitation and Sports Medicine, Munich, Germany

    Munich, Bavaria, 80992, Germany