Oxygen Delivery at Marathon

Dina Meytes, Ilan Meytes, Frida Brok-Simoni, Bracha Ramot

Research output: Contribution to journalLetterpeer-review


In view of the major role of red-cell 2,3-diphosphoglycerate (2,3-DPG) in the enhancement of tissue oxygen delivery, the phosphate levels were measured in 10 marathon runners before and immediately after the race. The determination was performed by a modification of the method of Schröter et al.1,2 The race began at 6 a.m., and the last runner finished at 10:45 a.m. The 2,3-DPG levels ranged between 2.5 and 6.7 μmoles per milliliter of packed red cells. In spite of such strenuous and prolonged exertion, 2,3-DPG did not rise in any of the runners. Eaton et al.3 found 18.

Original languageEnglish
Pages (from-to)1413
Number of pages1
JournalNew England Journal of Medicine
Issue number26
StatePublished - 28 Jun 1973
Externally publishedYes


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