A 38-year-old female seasoned marathon runner presented to the emergency department (ED) with increasing right lower extremity pain after running two mid-distance races in one weekend. The patient had previously run many two-day races and longer distances. but recently had gained weight and had not been training. This case report details her presenting symptoms. https://www.bekindtopets.com/save-now-Aqua-Pure-3MFF101-Full-Flow-Drinking-Water-System-Replacement-Cartridge-flash-choice/