You very likely developed varicocele, a affliction where scrotal veins swell. This will cause testicle ache and swelling. Running can worsen varicocele symptoms. Wear supportive underwear and prevent activities putting tension there. If indications persist or worsen, see a urologist. Whether you need a general Check out-up or are working https://g.page/r/CWh-oEgj90E1EBM