It was very surprising that the intensity of the findings were similar. Chirag Parikh More Quotes by Chirag Parikh More Quotes From Chirag Parikh I would think that the majority of marathon runners are doing OK because the 22 people who participated in the study had normal kidney function and had been running marathons for an average of 12 years, so, if running marathons caused a great deal of permanent kidney injury, these runners would have minimal kidney function remaining. Chirag Parikh top-news Almost everybody had a significant increase in the novel markers of injury, inflammation, and repair. Chirag Parikh top-news The good part was that we were able to confirm that by day two or by 48 hours after the marathon, the findings returned to baseline. Chirag Parikh top-news