Hematuria after long-distance running may be exercise hematuria, urinary tract stones, prostate hyperplasia and other diseases. 1. Exercise hematuria: muscle blood supply increases during long-distance running, making the renal blood flow relatively reduced, renal vascular ischemia and hypoxia, the kidneys can be acutely impaired, or long-distance running makes the kidneys move up and down, the renal blood vessels are pulled or twisted and damaged, and then hematuria occurs. This kind of exercise hematuria is a normal physiological phenomenon, usually do not need special treatment. 2. urinary stones: urinary stones, in long-distance running can make the stones and urethral mucosa repeated friction, causing hematuria. 3. prostate hyperplasia: prostate hyperplasia gland surface blood vessels protruding easy to bleed, long-distance running can be induced by prostate blood vessel bleeding, hematuria. There may be other reasons for hematuria after long-distance running, it is recommended to go to the regular hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.