Forced off the road by "biblical" rainfall, our man settles for a ride in front of the TV and turns his attention to his diet.
Martin meets up with nutritionist Tim Lawson down at his local supermarket for his very own supermarket-sweep challenge.
See if our man can pick up the right fuel for before, during and after the race, which is now just four weeks away.
Our man undertakes his own Supermarket Sweep
Martin will be eating as much nutritious nosh as he can get his hands on in his video diary.
And he's keen to hear from you. Have you changed your diet to support your riding, or is that the stuff of cycling anoraks?
If you've any tips for Martin, or if you have any ideas about training or amateur cycling which our man can cover, get in touch via 606.