Blog of Random Thoughts and Pictures WordPress Blog posts by miguelpdl. 10K Session 4: 20 min at a constant rate is hard August 6th, 2011 It’s tough when you have to run 65% for 20 mins non-stop and I’m not sure if I even achieved that, let’s see what the graph say: 10K Session 4: A constant runner Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Related Tags: running 10km training micoach Posted in Running | No Comments »