Exertional Rhabdomyolysis and Acute Renal Failure in Marathon Runners


Strenuous exercise, including marathon running, can result in damage to skeletal muscle cells, a process known as exertional rhabdomyolysis. In most cases, this damage is resolved without consequence. However, when the damage is profound, there is a release of muscle proteins into the blood; one of these proteins, myoglobin, in high concentrations and under certain conditions (such as dehydration and heat stress) can precipitate in the kidneys, thereby resulting in acute renal failure. Although the marathon is a gruelling physiological challenge, with races sometimes run in hot and humid weather, acute renal failure is relatively infrequent. From case reports, a high proportion of marathon runners who developed acute renal failure had taken analgesics, had a viral or bacterial infection, or a pre-existing condition. The rare cases of acute renal failure in marathon runners may be a situation of the ‘perfect storm’ where there are several factors (heat stress, dehydration, latent myopathy, non-steroidal anti-inflammatory or other drug/analgesic use, and viral/bacterial infection) that, in some combination, come together to result in acute renal failure.

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Priscilla M. Clarkson is a consultant to the Gatorade Sports Science Institute and a contracted researcher for Quaker and Medinova.

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Correspondence to Priscilla M. Clarkson.

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Clarkson, P.M. Exertional Rhabdomyolysis and Acute Renal Failure in Marathon Runners. Sports Med 37, 361–363 (2007). https://doi.org/10.2165/00007256-200737040-00022

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  • Heat Stress
  • Creatine Kinase
  • Acute Renal Failure
  • Muscle Protein
  • Disseminate Intravascular Coagulation