\\often tried but very hard to accomplish! it is often argued on here about overfly and it always finishes up with the bird bein the answer. Top doos win anywhere but many other things come into consideration. Wind,drag,location but race point also has a big say. The further east you push the race point then obviously the easterly fanciers have an advantage due to wind and terrain, other members on her will benefit from better measurements??? Never be a level playin field but bein the shortest flier doesnt mean the best results.