How to Walk a 5K by Mistake

So, I've been training to walk a 10K next month and I'm freaking out because it's coming up soon. May 11th to be exact.  It's the 12th Annual ALS Lou Gehrig's Disease 10K in Coconut Grove. I haven't been extremely diligent in my training, but I have been training and I have noticed some improvements in my speed and endurance. I'm hoping that what training I have done and will do in the next two...