Are you good enough to be a recruited athlete? If the answer is no- then in my opinion Stanford is a waste of an application. Stanford gets applications from some of the top scholar-athletes in the country and I think the lack of scores and your GPA are going to be knock out factors.
My opinion. Does your HS have naviance and can you look to see if kids in the 10-20% range of your school have ever gotten in to Stanford? I don’t know anyone who was not top 5% who got in to Stanford in the last ten years- and some of those were Olympic caliber athletes…