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Hello, this is Jaylin!!! Is everyone preparing well for the fall marathon? I filmed a QnA session for the full-course marathon with Coach Shin Jeong-sik of RTS!!!!! I hope this video was helpful to those preparing for their first full-course marathon or beginner runners. I hope everyone stays healthy and safe while preparing for the marathon. #marathon #running #full-course marathon #coach shinjeongsik #shinjeoksik #running