You love running, but somewhere between the training plan and the finish line, something keeps going wrong. A knee that swells after long runs. A hamstring that never fully heals. Shin pain that shows up right when your mileage starts to build. You rest, it gets better, you start again, and the cycle repeats.

This guide gives you straight answers to the 20 most common questions runners ask and explains how working with a physical therapist who understands running can change the entire trajectory of your training.