Oh man, you guys are bringing back the memories.. see if you can find a group to do a long (15m+) run for weekend..very enjoyable!
yes, the mileage - you are plenty. marathon training was only 70/week for me..I would do pyramid weeks 6,9,12,9,6 -m-f..18 Sat, off Sun..did 2-a-days only 3 per week...