My 10yr old has been coughing for 2 weeks now. Ran a 101 fever today. The cough sounds bad and she complains about her chest hurting & being tired.

Time to see doctor. Prolonged coughs can be worrisome, and one would need to be evaluated to see if there are asthma symptoms or perhaps pneumonia. When there is a new fever, and the cough "sounds bad", especially with "chest hurting", pneumonia needs to be checked for. If one's doctor is not available in such a situation, a children's Urgent Care or an Emergency Room can help.