How Fast/Slow Do You Go?

The full breakdown is here but we roughly keep to sub 8 minute miles (Group 4), 8-9 minute miles (Group 3), 9-10 minute miles (Group 2) & 10+ minute miles (Group 1).  However there is no pressure to stick to a group if you find it too easy or too difficult.  The most important thing is that you enjoy your running.