Just recently, within the past month, i've noticed that after especially strenous runs, my urine is a dark shade of brown almost red (although it is not blood).
12+ Murky Brown Urine. Learn more about brown urine here. Cloudy urine, however, is almost opaque and may have a murky appearance to it.
Cloudy Urine What Are The Causes from i.imgur.com
The occasional cloudy or murky urine can indicate you have excess protein in your diet or be an if you have dark brown urine it is important to increase your water intake. Learn more about brown urine here. Worry about urethritis, prostatitis, or bladder infection.
Waxy casts from the urine microscopic:
Brown urine can an indication of a serious condition. Learn more about brown urine here. You should know that some particles exist even in healthy. Waxy casts from the urine microscopic: