Friday takes it`s toll!

Friday has really took its toll on me, I intended to do a decent run tonight but only managed a pretty quick mile. When I say quick it was probably around the 10 minute mark but that`s pretty fast for me. I read in a magazine yesterday about a guy in his fifties who ran a sub four hour marathon with only 3 months training which is staggering. He said that it wasn`t long before he was running 7 minute miles fairly comfortably. I`m 37 feel fairly fit but find a 10 minute mile fairly tough so I really need to work harder and get more out of myself. I ran nine miles last week which I am very pleased with but would like to run ten miles this week. The forums and blogs about running suggest that you shouldn`t increase your running by more than ten per cent per so 10 miles is the maximum which I should run this. At the moment ten miles is looking pretty unlikely.