An Epidemiologic Study of the Benefits and Risks of Running

Authors:1982, Koplan, J. P., Powell, K. E., Sikes, K., Shirley, R. W. and Campbell, C. C.
N=1250 men and women from 10 km road race sent survey. Response rate 55% men 58% women. Risk of injury increases with weekly mileage. More than a third had a musculoskeletal injury attributed to running in the year after the race.