By Paolo Sandoval Ask any serious runner where their favorite piece of gear is from, and chances are you’ll probably end up getting the same response: Tracksmith. The independent running brand has slowly amassed a cult following with its dedication to quality, innovative fabrics and minimalist designs — Olympians and amateur runners alike, including us, swear by their split shorts, merino base layers and “Grayboy” tees. That’s why we’re so stoked (and why you should be too) about the return of the Silver Medal Sale, a once-a-year event where you can score their premium gear at wholesale prices…