How dangerous is a marathon is run?

You pay hundreds, sometimes thousands of dollars to race of only 42 kilometers: marathon number of years in the Trend, especially in the case of recreational athletes. However, a lot of track under-estimate the risks in the long run, Doctors warn.

Now a study provides an indication of how much a Marathon is a burden for the heart of Amateur athletes.

The researchers studied the heart load with a total of 63 Amateur runners. You sorted each of the three athletes in a group were similar in age, height, running experience, and risks for heart disease. Each one ran a Ten-Kilometer run, a half marathon and a full marathon. Before and after the race, the Spanish researchers determined in the blood for certain biomarkers, they report in the journal “Circulation”.

The result is that With increasing distance the proportion of the so-called Troponins rose from the heart muscle in the blood. These are protein substances, which may indicate damage to the heart muscle. It did not matter how well the athletes had prepared for the Marathon. The load was runners in the full marathon at the largest.

Whether the increase in biomarkers is increased in the long term, the risk for heart disease, however, is unclear. After a few days, the value is normalized again. Nevertheless, the researchers are sure: For many Amateurs, it is probably better, shorter distances to run, for example, a half-marathon.

“Given the growing popularity of long-distance races, the growing number of participants and the lack of adequate Training for some Amateurs suggest our results that the load on the heart muscle by Running shorter distances reduce,” said Juan Del Coso, has been involved in the study.

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A 100,000 marathon runners suffer cardiac arrest

For Amateur runners, a Marathon can be dangerous if you operate a competitive sport, without being sufficiently prepared. On average, about one in 100,000 marathon runners stand to suffer during the race having a cardiac arrest. Two of the three runners die of the consequences. Mainly affects men.

Also, the German heart Foundation warns against excessive ambition and advises to regularly have the doctor check you over. Moderately-powered endurance sports such as Swimming, Jogging or Cycling are recommended, because they could prevent coronary heart disease, which is often the cause for a heart attack. The risk for a heart attack can increase while you are exercising, a little, in the long term, the contactor prevails but in the end effect.