I don't think anyone looks in this forum until the recruiting rankings are released...lol. Anyway, to answer your question you get 180 minutes total time between formation training and individual training, so you'll want to first set your formation training and hit the save button below formation training. This will lock in your training for offense, defense and special teams. After that, you'll see how much training time you'll have for positions. I'd recommend just using the recommended training times at that point by hitting "show recs" and then hitting the save button below individual training.
Hope this helps!