Open Question: Hiking Appalachian Trail MD-- need advice?

My friend and I wanted to hike for about 3 days, and we're thinking just going through MD via the Appalachian Trail might be a good idea. 41 miles-- 15mi days 1 & 2, 11mi day 3. Just wondering if this sounds feasible for 2 college students, in fairly good shape? Also, what's the terrain like in that area-- I'm in the early stages of researching it, so wanted to hear from people familiar with the area. Is it easier going south vs north or about the same? Is it super mountainous and unrealistic to hike that far in a day? Any hostels about that far apart along the way? Etc. Thanks in advance!

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