Respectfully, I think you're wasting your time. A clubmate reccied it and found it was about 5 minutes slower than going round. Ok he didn't find a good line through the vegetation but he thought a good line would be hard to find anyway, and really hard to re-find on race day especially in mist.
It will only work for very slow runners who will not be running much faster than they can walk. I will definitely be going round.